If 50g of water in a beaker is split into two beakers i.e. 25g in each beaker, the temperature of each of one will still be 24°C.
What is temperature?Temperature is the degree of hotness or coldness of a body. Temperature is measured in °C.
According to this question, there is 50g of water in a beaker, and the water is 24 degrees Celsius.
If I divide the water into two beakers, with 25g in each beaker, the temperature of the water in each beaker will be 24°C.
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Which wave characteristic determines color?
A. the number of waves that pass per second
B. the measurement from crest to crest
C. the highest point on the wave
C. the lowest point on the wave
Answer: B
Explanation: The wavelength determines color. The wavelength is measured from crest to crest.
Community psychologists are not
concerned with worker stress factors.
True
False
Which is an example of measurement that considers velocity? A the size of a standard basketball B the speed of baseball pitch C the placement of players on a field D the study of how records get broken
Answer: B, the speed of baseball pitch
Explanation:
The speed of a baseball pitch is an example of a measurement that considers velocity, therefore the correct answer is option B.
What is speed?The total distance covered by any object per unit of time is known as speed. It depends only on the magnitude of the moving object. The unit of speed is a meter/second.
average speed = total distance /Total time
The speed of the baseball pitch is an example of the measurement of velocity.
The size of a standard basketball is an example of the measurement of length.
similarly, option C and option d are unrelated to the measurement of the velocity.
The correct response is option B since a baseball pitch's speed is an example of a measurement that takes velocity into account.
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Please help meeeeeeeeeeeeeeee
probabilityAnswer:
2/27
Explanation:
The elk can not be eaten so we remove that from the probablity
so we have x/18
songbird = 4/18
mice = 6/18
4/18*6/18 = 2/27
radiation from which type of decay has the least energy
Answer:
Alpha decay is the least penetrating. This is because the Alpha particle produced during the decay process is relatively large and low in energy thus it is easily 'blocked' and does not travel far through space.
Explanation:
Help!!
Hurry!!!?!?!?
I don't know!!!!!
Answer:
KE = 1/2 M V^2 = 35 kg / 2 * (10 m/s)^2
KE = 17.5 * 100 kg m^2 / s^2 = 1,750 Joules
(B) is the correct answer
PLEAASEEEE HELPP ASSPPP SHORT RESPONSE WILL GIVE BRAINLY
Australia's skin cancer rate is so high. The Australian Health Alliance has asked you to write a short argument that explains this to the Australian public. Remember to
explain how your evidence supports your claim to make your argument as complete and convincing as possible. You can agree with one or both of the claims.
Question: Why is Australia's skin cancer rate so high?
Claim 2: There is something different about the sunlight in Australia.
Claim 3: More people in Australia have skin that is easily damaged by sunlight.
Answer:
Claim 2
Explanation:
Australia's skin cancer rate is so high because of the climate and the weather in their area. It is also because since australia is on the bottom of the globe, the continent recieves higher UV radiation.
Thanks for the brainliest!
1.Australia has one of the highest rates of skin cancer in the world. This is due largely to our climate, the fact that many of us have fair skin that isn't really suited to such harsh conditions, our proximity to the equator (high UV levels) and our social attitudes and love for the outdoors.
2.Australia's unusually harsh sunshine results mainly from its location in the Southern Hemisphere. The elliptical orbit of the Earth places the Southern Hemisphere closer to the sun during its summer months than the Northern Hemisphere during its summer.
3.Basically, through migration, our two countries have been populated by many people with fair skin whose ancestors come from much less sunny climates. Lack of protective pigmentation leaves skin cells especially vulnerable to the DNA-damaging rays from the sun.20 Mar 2018
If a rock falls from a cliff, at what point are its kinetic energy and its potential energy the same? Ignore air resistance.
Answer:
The gravitational potential energy it had from being above the ground is converted to kinetic energy as the rock falls. As kinetic energy increases, the velocity of the rock will also increase.
Explanation:
Under what circumstances can differentiation occur in a planet?.
This group of elements is in group 2?
Answer:
If you meant the Periodic Table it's the alkaline-earth metal
beryllium (Be)
magnesium (Mg)
calcium (Ca)
strontium (Sr)
barium (Ba)
radium (Ra)
Explanation:
what the equation for speed?
Answer:
Speed Formula:
[tex]s = \frac{d}{t} [/tex]
Our earth is situated in the milky way galaxy. The milky way galaxy is which type of galaxy?.
Answer:
Our earth is situated in the Milky Way galaxy. The Milky Way galaxy is a type of spiral galaxy.
Explanation:
spiral galaxy
The Milky Way is a huge collection of stars, dust and gas. It's called a spiral galaxy because if you could view it from the top or bottom, it would look like a spinning pinwheel. The Sun is located on one of the spiral arms, about 25,000 light-years away from the center of the galaxy.
define one kilogram mass
Answer:
The amount of a certain global prototype was created of platinum-iridium and held at the International Bureau of Weights and Measures.Explanation:
Hopes this helps.A primary difference between momentum and kinetic energy is momenta can cancel; kinetic energy cannot. kinetic energy can cancel; momenta cannot. either of the above depending on circumstances none of the above
The primary difference between momentum and kinetic energy is kinetic energy can cancel momentum.
What is kinetic energy?The kinetic energy of an object is the energy possessed by the object due to its motion.
KE = ¹/₂mv²
where;
m is mass of the objectv is the velocityWhat is momentum of object?Momentum of an object is the measure of the rate at which a mass is moving.
P = mv
K.E = ¹/₂(P)v
Thus, the primary difference between momentum and kinetic energy is kinetic energy can cancel momentum.
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A diesel engine has an efficiency rating of 50%. One gallon of diesel contains 146,520,000 Joules of energy. A dodge 1 ton truck gets 24km per gallon, fuel economy. With that information, calculate how much Force it requires for a dodge 1 ton truck to drive 2 km.
PLEASE HELP!
5. How much time does it take for a bird flying at a speed of 45 kilometers per hour to travel a
distance of 1800 kilometers
Answer:
[tex]40h[/tex]
Explanation:
Use the velocity formula to solve
[tex]v = \frac{d}{t}[/tex]
In this question, you are given velocity [tex]v = 45km/h[/tex], and you are given a distance, [tex]d = 1800km[/tex]. Time in this question is what you'll need to find.
Start by rearranging the velocity formula, to isolate for t.
[tex]v = \frac{d}{t}[/tex]
Start by multiplying both sides by t
[tex]v(t) = \frac{d}{t}(t)\\\\vt = d[/tex]
Then divide both sides by v.
[tex]vt\frac{1}{v} = d/v\\ \\t = \frac{d}{v}[/tex]
Now that you've isolated for time, sub in your values and calculate.
[tex]t = \frac{d}{v} = \frac{1800km}{45km/h} = 40 h[/tex]
Use the passage to answer the question.
Light can be passed through two slits and projected onto a screen. The light from the two light sources produces a pattern of dark and light spots on the screen. The spots can be the result of interference, which happens with waves but not particles. This shows that the wave explanation is best for explaining the spots.
What is the reasoning in this passage?
(1 point)
Light can be passed through two slits and projected onto a screen.
The light from the two light sources produces a pattern of dark and light spots on the screen.
The spots are the result of interference, which happens with waves but not particles.
This shows that the wave particle is best for explaining the spots.
The reasoning in the passage is : ( C ) The spots are the result of interference, which happens with waves but not particles
Light wavesLight passed through a slit and projected onto a screen will form a pattern which is very visible and the pattern might have dark spots if there is some form of interference. Interference is present in waves and not particles.
Hence we can conclude that the reasoning in the passage is The spots are the result of interference, which happens with waves but not particles
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Which terrestrial world has the most atmospheric gas?.
Answer:
Venus
Explanation:
It has the most atmospheric gas, and it’s made up of 96% of Carbon Dioxide and around 3.5% of molecular nitrogen.
I hope it helps! Have a great day!
Anygays-
What happens if you suspend a bar magnet so that it can swing freely.
During which phase of the moon can a lunar eclipse happen?.
The lens parameter that enables us to brighten an image is _(blank)_.
A. diameter
B. refractive index
C. curvature radius
D. focal length
The lens parameter that enables us to brighten an image is called" Refractive Index"
What is refractive Index?Refractive index of a material is a dimensionless number that describes how fast light travels through the material. Refractive Index is a value calculated from the ratio of the speed of light in a vacuum to that in a second medium of greater density.
Therefore, refractive index is the lens parameter that enables us to brighten an image.
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Answer:
The correct answer is DIAMETER. Just took the quiz
Explanation
A 30kg bullet strikes a tree trunk of diameter 40cm at 200ms and leaves it from the opposite side at 100ms find the kinetic energy of the bullet just before it strikes the tree
Answer:
Before it strikes the tree:
KE = 1/2 m v^2 = 1/2 * 30 kg * (200 m/s)^2
This KE would be 6.0E5 Joules
30 kg would about 66 lbs - obviously too heavy
You might consider 30 mg = .03 kg (still quite heavy)
KE = 1/2 * .03 kg * 40000 m.s^2 = 600 J more realistic
In the photoelectric effect, electrons are ejected by matter only if they are given energy from light of a high enough frequency. It does not matter how bright the light source is; only frequency matters. Which reasoning explains why particles are better than waves for describing this phenomenon?(1 point)
The energy from the waves of light coming from bright lights would add up and free an electron.
The energy from light waves is canceled out by interference at low energies, but not at high energies, so it can free electrons with bright light.
The energy from photons of light would never be enough to free electrons because they don't have the same energy if they are just particles.
The energy from photons of light should be enough to knock out an electron, no matter what the frequency of light is, because it is moving so fast.
Answer:Answer is A:The energy from the waves of light coming from bright lights would add up and free an electron.
Explanation:
1. They collect evidence and make sure that the model can be used with reasoning to explain the evidence.
2. The energy from the waves of light coming from bright lights would add up and free an electron.
3. The spots are the result of interference, which happens with waves but not particles.
4. This is not something that waves do because they need a medium to travel through, while particles do not.
5. When the electromagnetic wave peaks overlap, a bright fringe forms.
I promise this is correct because i failed and this is what it said if this is ever wrong they must have changed the quick check
If a wave has a frequency of 50 Hz and a wavelength of 2 meters.
Find its speed.
Answer:
100 m/s
Explanation:
here we use the wave equation which states that the velocity is equal to the product of the frequency and the wavelength.
so v = 50 × 2
v = 100 m/s
where should clouds form and why
Answer:
When air rises in the atmosphere it gets cooler and is under less pressure. When air cools, it's not able to hold all of the water vapor it once was. Air also can't hold as much water when air pressure drops. The vapor becomes small water droplets or ice crystals and a cloud is formed.
Explanation:
hope this helps.
how can magnets cause objects to have kinetic energy?
please help asap
A train travels north at 103 km/hr. Is this an example of speed, velocity, or acceleration?
Answer:
velocity
Explanation:
when a speed is given with a direction it is velocity
Answer:
Velocity
Explanation:
Velocity is the rate, and direction of an objects movement.
Speed is the rate of and objects movement, no certain direction.
Acceleration is the rate when velocity changes over time, it can both increase and decrease, and it has both speed and direction.
I hope this helps! Have a great day!
Your Murderer~
If carrots have 80j of energy how much energy will a rabbi get from eating the carrot
Answer:
8
Explanation:
According to the 10% law of energy transfer,
only about 10% of energy will be transferred to
the successive level from the previous trophic
level. Therefore according to this law carrot will
have the highest energy level as it is present at
the lowest trophic level.
Then it will transfer 10% of its consumed energy
to the rabbit and then snakes will get 10%
energy of rabbit after consuming it. Therefore if
the energy amount is given it can be calculated
by dividing it by 10 for upper trophic level.
So if a rabbit receives 80 calories of energy
from eating carrots it will pass only 8
(80/10=8) calory of energy on to a snake.
Therefore the correct answer is 8 calories
Is the sun making the side walk a chemical or phsical change
Answer: it is chemical .
Explanation: because chemical change that results in the formation of new chemical substances. During the sun tanning, both vitamin D and melanin are produced. your welcome <3 .
help pls i been stuck on this for 40 mins already
Answer:
See below
Explanation:
At A they add together (they are both positive)= construct
At B they destruct ( one is neg and one is pos)
c destruct d destruct e construct (both neg)