What happened the thing is kinda glitched

which distance indicator can be used to measure the most distant objects?

The **distance indicator** can be used to measure the **most distant objects** among all indicators stated above is **Type Ia supernovae**

In the field of **Astronomy**, there are different kind of distance indicators that can be used to measure the distance objects.

Few among them are :

Cepheids Type Ia supernovae Parallax Main-sequence fitting**Cepheid** variables can be measured up to 18 million light years.

The expansion rate of the universe can also be measured by trying to measure the apparent brightness of the **Type Ia supernovae**

**Parallax** means illusory state of an object when viewed from different points

**Main sequence fitting** makes use of a H-R diagram of the cluster to determine the distance to a stellar cluster.

The **distance indicator** can be used to measure the most distant objects among all indicators stated above is **Type Ia supernovae**

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astronomers have determined the surface temperature of stars by studying their colors. what color emission represents stars with the hottest temperatures?

**Answer:**

Blue

**Explanation:**

Did the question already

Using a balance, determine the mass of the ball and basket of the ballistic pendulum. Fire the ballistic pendulum

and measure the maximum height the pendulum reaches. Use the conservation of energy (initial KE + initial GPE =

final KE + final GPE; KE = 12mv2; GPE = mgh) to calculate the initial speed of the pendulum after the ball has

collided with the pendulum basket. Next, use the conservation of momentum (total initial p = total final p; p = mv)

to determine the initial speed of the ball before it collided with the pendulum basket.

=

=

The **conservation** of **energy** and **moment **allows to find the results for the velocity of the pendulum and the bullet in the system are:

** m (kg) v (m / s)**

0.05 41.58

0.10 21.78

0.15 15.18

0.20 11.88

0.25 9.90

The **conservation** of **mechanical energ**y is one of the most important principles of physics, it establishes that if there is **no friction force**, the **energy** is **constant** at all points. **Mechanical energy** is the** sum **of the **kinetic energy** plus the **potential energies**.

In the** attachment** we can see a **diagram** of the **system**, let's start by finding the speed of the pendulum when it leaves, for this we use the **conservation **of **energy.**

**Starting point**. In the lowest part of the movement.

Em₀ = K = ½ (m + M) v₀²

**Final point**. At the top of the movement.

Em_f = U = (m + M) g y

**Energy** is **conserved** because there is no friction.

Em₀ = Em_f

½ (m + M) v₀² = (m + M) g y

[tex]v_o = \sqrt{2gy}[/tex]

They indicate a **table **with several measurements of the **masses** and the **period**, let's use the relationship of the **simple harmonic motion.**

y = y₀ cos wt

The period and the angular velocity are related.

w = 2π / T

we substitute

y = y₀ cos ( [tex]2 \pi \frac{t}{T}[/tex] )

Let's analyze **how long** it takes to reach the **point **of **maximum height**, the period is the time of a complete oscillation, therefore from the **lowest point** to the **highest point** we have **¼** of** oscillation**, consequently the time to the highest point.

t = T / 4

y = y₀ cos ( [tex]2 \pi 4[/tex])

y = y₀

Therefore the point of **maximum amplitude** coincides with the **maximum** **height** and must be average by the student, suppose that the height is

y₀ = 20 cm = 0.20 m

Let's calculate the** initial velocity**.

v₀ = [tex]\sqrt{2 \ 9.8 \ 0.20 }[/tex]

v₀ = 1.98 m / s

They ask for the speed of the bullet before striking the basket of mass

M = 1 Kg.

The **conservation** of the **momentum** that for an **isolated system** the momentum is **constant** in all the instants. Let's form the system by the bullet and the basket.

**Initial instant**. Before the crash

p₀ = m v

**Final moment**. Right after the crash.

P_f = (m + M) v₀

The **momentum** is conserved because the system is isolated.

p₀ = p_f

m v = (m + M) v₀

v = m + M / m v₀

they have **tabulated** various **mass** for the **bullet**, we calculate the speed of each bullet.

m = 0.05 kg

v = [tex]\frac{0.05+1}{0.05} \ 1.98[/tex]

v = 41.58 m / s

m = 0.10 kg

v = [tex]\frac{0.10+1}{0.10} \ 1.98[/tex]

v = 21.78 m / s

m = 0.15 kg

v = [tex]\frac{0.15+1}{0.15y}[/tex]

v = 15.18 m / s

m = 0.20 kg

v = 11.88 m / s

m = 0.25 kg

v = 9.9 m / s

In conclusion with the **conservation** of **energy** and the** momentum** we can find the results for the** speed** of the **pendulum** and the** bullet** in the system are:

** m (kg) v (m / s)**

0.05 41.58

0.10 21.78

0.15 15.18

0.20 11.88

0.25 9.90

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Explain briefly about viscous force

The **viscous force** refers to the **resistance **of a **fluid **to **flow**. It is **measured **in Newton-second per square meter.

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Why would poor clusters of galaxies be more likely to have irregular shapes then rich

clusters

Other clusters with hundreds to thousands of galaxies are called rich clusters. The low mass of a poor cluster prevents the cluster from holding onto its members tightly. The poor cluster tends to be a bit more irregular in shape than a rich cluster. Each large spiral has several smaller galaxies orbiting them.

These Milky Way **companion **galaxies are easily visible from dark locations in the Southern Hemisphere. Prime examples of erratic galaxies are the Large and Small **Magellanic **clouds (left and right, respectively).

In comparison to a rich cluster, the poor cluster **typically **has a slightly more erratic shape. A number of smaller galaxies orbit each major spiral. The Small and Large **Magellanic **clouds are the two most well-known examples of atypical galaxies.

When two galaxies collide, **irregular **galaxies frequently result. This unusual Cartwheel Galaxy was created when a tiny galaxy slid through the **centre **of a massive spiral galaxy.

Therefore, Rich **clusters **are other clusters that include hundreds to thousands of galaxies. A weak cluster can't cling to its **members **strongly because of its low bulk.

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Which statement best explains why a wet saw used to cut through a fine optical crystals is constantly lubricated with oil

The major reason why a **wet saw** that is used in **cutting** **optical** **crystals** is constantly lubricated with oil is largely due to friction, **lubrication** decreases friction and minimises the increase of** internal energy**.

**Friction** is basically the coming together of two parts that rubs against each other, it causes heat and lead to **deterioration** of **surfaces**, it can also lead to wear and tear.

Although, despite it down side, friction is desire-able in most applications

e.g the **brake** system of vehicles, and if not for friction, we humans cannot walk without falling

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Determine the percent composition of chromium (III) flouride CrF3

(Show your solution)

**Answer:**

Molar mass of CrF3, Chromium(III) Fluoride is 108.9913096 g/mol

51.9961+18.9984032·3

Mass percentage of the elements in the composition

Element Symbol Atomic Mass Number of Atoms Mass Percent

Chromium Cr 51.9961 1 47.707%

Fluorum F 18.9984032 3 52.294%

Notes on using the Molar Mass Calculator

Chemical formulas are case-sensitive.

Enter subscripts as simple numbers.

The converter uses a simple dot instead of using a midpoint typographic dot (·) in formulas for adduct molecules, such as water of hydration.

Example: type CuSO4.5H2O instead of CuSO₄·5H₂O.

**Explanation:**

please mark my answer in brainlist plz

23 and 24 only please help!

**Answer:**

23: Acceleration 24:1m/s^2

**Explanation:**

[tex]a = (v_f - v_i) /delta(t)\\a=(16-10)/6\\a=6/6\\a=1m/s^2[/tex]

if you immerse an object into a known mass of water, the measured mass of the water will _____, and will be equal to the mass of the water displaced by the immersed object.

Answer: decrease

Explanation: it does

Which of the following is the goal of physical fitness test? *

a. to determine the level of fitness.

b. to identify the area of development/improvement.

c. all of the above

d. to identify strengths and weaknesses.

**Answer**

**C**

**hope this helps!!**

*please mark brainliest if correct!! Trying to level up!!

Two parents are having a child The father has freckles which are a dominant trait The mother does not have trecktes Find the possibility of the chad having tracks.

**Answer:**

2:3

**Explanation:**

mathqway

Solve the science problem

**Answer:**

ybuTouch and hold a clip to pin it. Unpinned clips will be deleted after 1 hour.Touch and hold a clip to pin it. Unpinned clips will be deleted after 1 hour.Touch and hold a clip to pin it. Unpinned clips will be deleted after 1 hour.Touch and hold a clip to pin it. Unpinned clips will be deleted after 1 hour.Touch and hold a clip to pin it. Unpinned clips will be deleted after 1 hour.

The diagram shows a nephron.

A nephron. W points to branch of renal artery. X points to branch of renal vein. Y points to tubular point of nephron. Z points to collecting duct.

Where is the blood first filtered?

**Answer:**

w

**Explanation:**

renal artery...the blood flow into the kidney via this blood vassles

and the filtration take place is called ultrafiltration

Which car will experience a greater KE, a car traveling at 16 m/s or a half as massive car traveling at 32 m/s

**Answer:**

The car that is hald as massive

**Explanation:**

We can use the eqation for kinetic energy to solve this problem

KE = 1/2mv^2 (where m is mass and v is velocity/speed)

Lets give the original car a mass of 100kg and use the equation

KE = 1/2(100kg)(16m/s)^2 = 12800J

and now lets find kinetic energy of the half as massive car

KE2 = 1/2(50kg)(32m/s)^2 = 25600J

From this, we find that the hald as massive car will experience a greater kinetic energy while travling at double the velocity

What is the relationship between transit duration and orbital period?

**Answer:**

The length of time between each transit is the planet's "orbital period", or the length of a year on that particular planet. Not all planets have years as long as a year on the Earth! Some planets discovered by Kepler orbit around their stars so quickly that their years only last about four hours!

I hope it helps.

**Answer:**

**Explanation:**

For the equation BaCl2 + Na2SO4 → BaSO4 + 2NaCl, how many chlorine atoms are on the reactants side and on the products side?

**Answer:2 reactants 2 products.
**

**
**

**this is a balanced chemical equation. That means the number of chlorine before the arrow will be the same after the arrow**

**Explanation: i think this answer will help you very much**

1) A blinking light of constant period is situated on a lab cart. Which diagram best represents a photograph of

the light as the cart moves with constant velocity?

How do I solve this?

**Option C** with **uniform displacement** at each **time **interval represents the **photograph **of **light **as the cart moves with **constant velocity.**

At** constant velocity**, the change in **displacement **with **time **is uniform. The displacement of the given object in motion increases at equal rate.

At **constant velocity**, the initial velocity is equal to the final velocity.

v₁ = v₂

The **acceleration **of the object at constant velocity is **zero**, because the change in velocity with time will be zero.

[tex]a = \frac{\Delta v}{\Delta t} \\\\a = \frac{v_2- v_1}{t} \\\\v_2 = v_1\\\\a = \frac{v_1 - v_1}{t} \\\\a = 0[/tex]

Thus, from the given options we can conclude that **option C** with **uniform displacement** at each **time **interval represents the **photograph **of **light **as the cart moves with **constant velocity.**

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pls answer this question is due today

Answers:Speed for section A = **15 km per hour**Speed for section B = **0 km per hour**Speed for section C = **60 km per hour**Speed for section D = **40 km per hour**

=============================================

Explanation:

To compute the speed, we divide the distance traveled over the time duration.

For instance, if a car goes 100 km in 5 hours, then its speed is 100/5 = 20 km per hour.

-----------------

For section A, the car travels 30 km over the course of 2 hours (since 11:00-9:00 = 2:00)

speed = distance/time = (30 km)/(2 hrs) = 15 km/hr

-----------------

We don't need to do any computations for section B. It's a flat horizontal line, so the speed is zero. There's no change in distance, so the car is stationary for this 1 hour period.

You could say speed = distance/time = 0/1 = 0 km/hr if you wanted.

-----------------

For section C, its change in distance is 60-30 = 30 km and the change in time is 0.5 hour (because it spans from 12:00 to 12:30)

So, speed = distance/time = (30 km)/(0.5 hr) = 60 km/hr

The steeper slope of section C, compared to section A, means the car is going faster.

-----------------

Section D spans from 12:30 to 14:00. This is a time period of 14:00-12:30 = 1:30 = 1.5 hours. The change in distance is 60 km

(60 km)/(1.5 hrs) = 40 km/hr

The speed of the car during section D is 40 km per hour.

Side note: if you were talking about velocities instead of speeds, then section D would have a negative velocity of -40 km/hr to indicate the car is going the opposite direction (compared to sections A and C). However, speed is always nonnegative.

The parking brake on a 1200kg automobile has broken, and the vehicle has reached a momentum of 7800kg.m/s. What is the velocity of the vehicle?

**Answer:**

Velocity of the vehicle (v) = 6.5 m/s

**Explanation:**

Mass of automobile (m) = 1200 kg

Momentum of vehicle (p) = 7800 kg m/s

By using formula of momentum:

[tex] \rm p = mv \\ \rm 7800 = 1200 \times v \\ \rm v = \frac{7800}{1200} \\ \rm v = 6.5 \: m {s}^{ - 1} [/tex]

A machine does 2500 J of work in 1 min. What is the power developed by the machine?

**Answer:**

41.7 watts

**Explanation:**

power=work done/time

2500/60seconds

=41.6666

NEES HELP!!!!

Which of the following is "NOT" a theory of the formation of the universe?

A. Steady State Theory

B. Doppler Theory

C. Oscillating Theory

D. Big Bang Theory

**Answer:**

Doppler Theory

**Explanation:**

it's a theory regarding the change in wave frequency during the relative motion between a wave source and its observer.

how many bears are witching the category of the

Polar Bear. A Grizzly Bear. ... Panda Bear. ... Sun Bear. ... Andean Bear. ... North American Black Bear. ... Short-Faced Bear. ... Asiatic Black Bear.

How does the temp of water change when it is heated on a stove top and it begins to boil.

**Answer: **

**The temperature will no longer rise with the heat because the energy. When the water is boiled on the steam, the temperature rises when heat is given**

**Explanation:**

what is the capacitance of capacitor

**Answer:**

The capacitance C of a capacitor is defined as the ratio of the maximum charge Q that can be stored in a capacitor to the applied voltage V across its plates. In other words, capacitance is the largest amount of charge per volt that can be stored on the device: C = Q V . 1 F = 1 C 1 V .

**Explanation:**

A capacitor's capacity to hold an electric charge when a potential difference (voltage) is applied across its plates is measured by the **capacitance** of the device.

It can be calculated using the formula C = Q/V,

where Q is the electric charge stored on the capacitor in **coulombs** (C), C is the capacitance in farads (F), and V is the voltage across the capacitor in volts (V). The **capacitor's physical **properties, such as the area of the plates, the space between them (dielectric separation), and the substance between the plates (dielectric constant), all affect capacitance. A better charge storage capability is indicated by a higher capacitance value.

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A bicycle accelerates from rest to 6m/s in a distance of 50m, calculate the acceleration

50x6=300 this is the answer I think

The **acceleration **of the bicycle is 0.12 m/[tex]s^{2}[/tex].

We know that acceleration is the change in velocity divided by the change in time. In this case, the **bicycle** is accelerating from rest to a velocity of 6 m/s. The change in time is the time it takes the bicycle to travel 50 m.

We can use the following **equation **to find the acceleration:

a = (v2 - v1) / t

where:

a is the acceleration

v2 is the **final velocity** (6 m/s)

v1 is the **initial velocity** (0 m/s)

t is the time

Plugging in the values from the problem, we get:

a = (6 m/s - 0 m/s) / 50 s

= 0.12 m/[tex]s^{2}[/tex].

Therefore, the acceleration of the bicycle is 0.12 m/[tex]s^{2}[/tex].

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The distance between adjacent nodes in a standing wave pattern is 25.0 cm. What is the

wavelength? If the frequency is 200. Hz, what is the speed of the wave?

**Answer:**

Answer:

Speed of the wave in the string will be 3.2 m/sec

Explanation:

We have given frequency in the string fixed at both ends is 80 Hz

Distance between adjacent antipodes is 20 cm

We know that distance between two adjacent anti nodes is equal to half of the wavelength

So \frac{\lambda }{2}=20cm

2

λ

=20cm

\lambda =40cmλ=40cm

We have to find the speed of the wave in the string

Speed is equal to v=\lambda f=0.04\times 80=3.2m/secv=λf=0.04×80=3.2m/sec

So speed of the wave in the string will be 3.2 m/sec

What is the surface temperature of Sirius B in Kelvins?

Answer: The surface temperature of Sirius B is 25,200 Kelvins(K).

Explanation: You would think Sirius would have a surface temperature of 9,940 Fahrenheit. That is somewhat correct, but Sirius is a binary star consisting of a main-sequence star of spectral type A0 or A1, termed Sirius A, and a faint white dwarf companion of spectral type DA2, termed Sirius B. Sirius, Sirius A, and Sirius B, are all different stars. Sirius A has a temperature of 9,940 Kelvins, but Sirius B has a temperature of 25,200 Kelvins(K).

That would be 9,940 kelvins (K)

Hope it helps! :D

Two billiard balls having the same mass and speed roll directly toward each other. What is their combined momentum after they meet

Their combined **momentum **after they meet is 0.

According to the law of conservation of **momentum**, absent an external force, the combined **momentum **of two or more bodies operating upon one another in an isolated system remains constant. As a result, **momentum **cannot be gained or lost.

Let the **mass **of each billiard balls = m.

If the initial **velocity **of first ball is u; according to the question, the initial **velocity **of the second ball be -u.

Hence, initial **momentum **of the first ball is: P₁ = mu

initial **momentum **of the second ball is: P₂ = -mu

Hence, total initial **momentum **of the two balls = P₁ + P₂ = mu + ( -mu) = 0.

So, according to law of conservation of **momentum**:

Their combined **momentum **after they meet is = 0.

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The **combined momentum **of the two billiard balls after they meet is zero.

When two pool balls of the same size and speed roll directly at each other and collide, their **momentum **will increase.

Let us denote the **speed **of the first ball as [tex]\rm p_1[/tex] and the speed of the second ball as [tex]\rm p_2[/tex]. The **momentum **of the balls are equal in magnitude but opposite in direction because they have the **same mass **and **velocity**.

[tex]\rm p_1= -p_2[/tex]

When the balls collide, their **momentum increases**:

Total **momentum **after the collision= [tex]\rm p_1+ p_2[/tex]

Substituting the relationship

[tex]\rm p_1= -p_2[/tex]

Total **momentum **after the collision

[tex]\rm p_1- p_1= 0[/tex]

Therefore, the **combined momentum **of the two billiard balls after they meet is zero.

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An external force of 25 N acts on a system for 10 s. What is the impulse delivered to the system?

**Answer:**

I = 250N*s

**Explanation:**

I = F*t

I = impulse or momentum

F = Force

t = time

I = 25N*10s

I = 250N*s

The change in the momentum of an object is represented by the following formula:

Impulse = (Force)(time) = change in momentum

I = F • t = pfinal – pinitial

A 1.0 kg rabbit traveling east at 10 m/s spots a predator, turns around, and then begins to travel west at 21 m/s.

What is the change in momentum of the rabbit, and what is another term for this concept?

The rabbits change of momentum is

A. 31 kg•m/s east

B. 31 kg•m/s west

C. 15.5 kg•m/s, west

D. 15.5 kg•m/s, east

This value can also be referred to as

E. Collisions

F. Potential energy

G. Kinetic energy

H. Impulse

Please help will mark brainliest

Hi there!

Recall that:

Change in momentum = mass × change in velocity

Or:

Δp = mΔv = m(vf - vi)

Plug in the given values. We can assign east to be positive and west to be negative in this instance (Velocity is a vector with direction).

Thus:

Δp = (1)(-21 - 10) = -31 kgm/s OR **31 kgm/s WEST. **

**The correct answer is B.**

Change in momentum is EQUIVALENT to the quantity of IMPULSE.

**The correct answer is H.**

is zero a rational number?
What is the difference between a population and a community?Multiple choice question.cross outA)A population is made up of all species in an area. A community is made up only of one species.cross outB)A population is made up of only one species. A community is made up of all species in an area.cross outC)A population is made up of all the species and nonliving things in an area. A community is made up of all species in an area.cross outD)The words mean the same thing.
Please help!! Tyyy due in 5 mins
Which equation has the correct sign on the product?
Multiple sclerosis is a disease in which the myelin sheaths of neurons in the central nervous system break down. What symptoms might this cause? Why?
NEED HELP WITH THIS!
The roots of the equation 0 = x^3+ 2x^2 3x are: _________. These are the x-intercept values at these points: _________.
Write T if the statement is true and F if it is false.1.Asexual reproduction is a type of reproduction in which an individual produces offspring with the help of gametes or sex cells. l2.Fertilization is described as the union of the male gamete sperm cell and the female gamete egg cell. 3.One disadvantage of sexual reproduction is to promotes survival. 4.Plants can undergo asexual reproduction. 5.When sperm fertilizes (meets) an egg, this fertilized egg is called a zygote . 6.Binary fission is a type of reproduction in which the organism grows a small part of itself and separates from the main body, growing into a new organism. 7.Parthenogenesis is a type of asexual reproduction wherein a female gamete develops into an embryo without interaction with the male reproductive cell. 8.Sexual reproduction, is the production of new organisms by the combination of genetic information of two individuals of different sexes. 9.The male gamete in humans is called sperm cell.10.Fertilization of flowering plants occurs in the stem.
there is a proportional relationship between x and y. complete the table with the missing values
Y=1/3x-4 + Y=-7/3x+4
Pls due tmr pls pls fast I need it like rn
Ana wonders how light can affect a mystery material. The table below shows what happens when different types of light hit the mystery material.
You can answer the ones you want to. At least one.Have no idea how to do this. Please help I beg you.
What is an equation of the line that passes through the points (3,4) and (-4, -3)?
In the song, the twelve days of christmas, what gift is given on the third day?
Which answer best describes the portion of the chart labeled M?pls hurryThe image represents the process of a bill becoming a law. It shows a set of parallel lines that merge, then split into two, and then merge again. Moving left to right, the top line has boxes labeled: A, C, E, G, and H. The bottom line has boxes labeled: B, D, F, and I. Boxes A and B, C and D, E and F, H and I, are paired. G is the only box on the bottom line without a corresponding box on the top line. Continuing to move from left to right, the two lines merge into one and have one box labeled J. Then the lines separate into two parallel lines again. The top line is labeled with box K and the bottom line is labeled with box L. The two parallel lines continue to the right where they again merge into one line, with an arrow pointing to a final box labeled M. 2011 FLVS The president presents drafts of bills to the House of Representatives and the Senate. The president appoints subcommittees to review bills from the House of Representatives and the Senate. President receives bills from Congress which he approves or vetoes. The president reviews vetoed bills from Congress and can override the vetoes.
describe the process of terminating a crossover cable
You are thrown 4 fastballs and you must hit them in a fair zone to count.If you hit al 4 in a fair zone, you win the big prizeIf you hit 3 or 2 in a fair zone, you win a medium size prizeIf you hit 1 in the fair zone, you get the small prizeIf you hit zero, you are not a winner and receive nothingHint Create a tree diagram to help calculate the probabilities.What is the probability you will win the big prize?O 1/5O 3/32none of the above2/91/16
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Healthy Eating Corp. produces yogurt combined with added ingredients, such as nuts, granola, and chocolate chips. The company encourages its customers to share their ideas for new yogurt flavors and items to mix into the product on its website. Then, it allows users to vote on which flavor combination they like best in order to determine the combinations Healthy Eating Corp. will produce. Which digital marketing characteristic does this scenario best describe