What is the volume of the composite figure? 140 cubic inches 147 cubic inches 168 cubic inches 196 cubic inches.

Answer:

Explanation:

okk

Answer:

F - M a      force exerted by scales on student

M a = M (9.8 + 4.9) m/s^2      upwards chosen as positive

a = 1.5 g        net acceleration of student  due to force of scales

W =M g       weight of student   (actual weight)

Wapp = M 1.5 * g      apparent weight (on scales) of student

In an elevator which is accelerating upwards with 4.9 m/[tex]s^{-2}[/tex], Mike's weight will be 1.5 times the actual weight.

Hence, the apparent weight will be 1.5 times the real weight.

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Answer:

yes

Explanation:

as speed is a scalar quantity and velocity is a vector quantity. Which means speed only depends on the magnitude at which it travels but velocity depends on the speed at which travel and also the direction to where the object travels.

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When the curvature radius of a converging lens is increased, the size of the image is reduced.

“The radius of curvature is the radius of sphere formed by the convex or concave mirror.” It is also equal to the distance between the pole and centre of curvature.” The sign convention for focal length and radius of curvature is the same.

“Converging lenses are lenses which converge the light rays coming towards them, whereas diverging lenses are lenses which diverge the rays coming towards them.” A converging lens have positive focal length.

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The reflecting wave flips upside-down on a stretched string when the wave moves from a less dense part of the rope moves toward a boundary that has a higher density. Hence the correct answer is (Option E).

A reflecting wave is a wave that abruptly changes its propagation direction when it hits the boundary between two media.

An echo is a real-world example of a reflecting wave.

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A. the light bulb goes out once the circuit is open since it causes the flow of electricity to cut off. the light bulb dosent get the energy it needs to light up

Explanation:

B. a simple example of this in our every day life is a light switch. when you switch the light on then the circuit is closed and the energy transfers to the light bulb, when u switch the light off then you cut off the lights source of energy which causes the light to turn off.

Answer:

Define the problem . what's exactly going on ?

- set some goals

- examine the consequences

- put your solution into practice

- brainstorm possible solutions

- Team working

Explanation:

ANY PROBLEM RELATED TO MANI CUSTOMER BILLING ACCOUNTING IN BOOKKEEPING ETC

NING A WAY TO MAKE THE COMPANY MORE PRODUCTS FIDABLE THROUGH NEW SERVICE OR PRODUCT OFFERING NEW PRICING IDEA PROMOTING AND SALES IDEA

The light oscillates electrons which then absorbs some of the energy and reemit it thereby causing a delay.

This is defined as a subatomic particle which has a negative charge. In the glass of water the light oscillates the electrons which absorbs some energy.

The re-emission is what slows light when it passes from air into glass or water.

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Answer:

The correct answer is C

Explanation:

Hope this helped :)

if im wrong pls tell me.

Answer:

Good human ears can detect sound from about 50 Hz to about 20,000Hz (20 kHz); this can be called the audible range of frequencies.

so c.50 hertz

Explanation:

Hope it helps :)

Answer:

50 hertz

Explanation:

This is right

Answer:

Mining is the extraction of valuable minerals or other geological materials from the earth from an orebody, lode, vein, seam, or reef, which forms the mineralized package of economic interest to the miner. Ores recovered by mining include metals, coal, oil shale, gemstones, limestone, dimension stone, rock salt, potash, gravel, and clay.

Explanation:

Answer:

Three resources that are mined from earth's crust are:
-Coal
-Gold
-Iron ore

Some more are:
-Aluminum
-Copper
-Lime
-Phosphate rock
-Gypsum
-Sand
-Gravel
-Rock
etc.

Explanation:

Have a great rest of your day
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Answer:

All of the current flows through the short circuit branch and Bypasses the other branches. This causes the excessive amount of current to flow since there is practically no resistance. Short-circuit across the power supply can damage or destroy it.

Explanation:

Hope this helps you!

The activity in which a competitor displayed good sportsmanship towards me was during a football match.

This is an ethics or attitudes that show respect for the rules of a game and for the other players.

Sportsmanship was shown when i lost the deciding penalty and was consoled by the opponent.

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→ Mass is measured in(unit)

→ The tool which is commonly used

nd many more......

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Answer:

→ Mass is measured in(unit)

kilogram (kg) nd

smaller mass in gram(g)

→ The tool which is commonly used

triple beam balance

electronic balance

weighing machine

Explanation:

The sound wave travels faster at higher temperatures and slower at lower temperatures.

At a lower temperature, particles of the medium are moving more slowly as compared to higher temperature. Due to lower temperature, longer time is required to transfer the energy of the sound waves.

So we can conclude that sound travels faster at higher temperatures and slower at lower temperatures.

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Answer:

It will travel slower

Explanation:

The type of energy is stored in the barbell when it is held above the weightlifter's head is gravitational potential energy.

This is the type of energy possessed by an object due to its position above te ground level.

Potential energy of an object is given by the following formulas;

P.E = mgh

where;

Thus, the type of energy is stored in the barbell when it is held above the weightlifter's head is gravitational potential energy.

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Answer:

going to get the milk

Explanation:

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Answer:

It is when the focus of the ellipse that is closer to the point where Mars is moving the fastest.

Explanation:

I hope it helps! Have a great day!

Anygays-

Answer: I think it is C.

Explanation: In an inelastic collision, the object hits the item and stays with it. Therefore, both momentum and kinetic energy need to be presen.t

Answer:

they might adapt or move to a new place

Explanation:

i hate you right now..... im gonna be thinking about this all day now....... ohhhhhhh no i need my 5 monsters now cause i aint sleepin now......

Answer:

8

Explanation:

It is because the outermost energy level carries a maximum of 8 electrons

8 electrons do most atoms seek to have in their outermost shell, causing covalent bonds to form

The interatomic bond is formed when two atoms share an electron pair. The electrical attraction of their nuclei for the identical electrons causes the binding.

When the total energy of the bound atoms is lower than that of widely spaced atoms, a covalent bond is formed.

When an atom's outermost electron shell is full, it is the most stable and least reactive. The octet rule states that most key biological elements require eight electrons in their outermost shell to be stable.

Hence 8 electrons do most atoms seek to have in their outermost shell, causing covalent bonds to form

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Answer:

amount and speed of traffic on the acceleration lane and expressway.

Answer:

gravity

Explanation:

ok what i understand from your query is that a spring balance with a metal piece attached to it is weighing it down, a spring balance is measured in newtons (f=ma), the acceleration part is gravity (-9.81 m/s^2). The metal piece is attached to the string.

hope this answers your question and please take my answer with a grain of salt and refer to some webpages or videos

Answer:

always accelerating

Explanation:

Answer:

B. Always accelerating

Explanation:

I recently did a review with an identical flashcard!

The temperature of the boiler of the steam engine at the efficiency of 34.8% and waste heat temperature of 76 °C, is determined as 116.56°C.

The efficiency of a Carnot engine is determined using the following formula;

n = 100% x (TH - TC)/TH

where;

34.8% =  100% x (TH - 76)/TH

0.348 = (TH - 76)/TH

0.348TH = TH - 76

0.652TH = 76

TH = 76/0.652

TH = 116.56°C

Thus, the temperature of the boiler of the steam engine at the efficiency of 34.8% and waste heat temperature of 76 °C, is determined as 116.56°C.

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Answer:

S = v0 t + 1/2 a t^2       a = 0 seems given in the problem

Vp  t = Vr t + 16

both travel for time t but the police car is going faster and travels 16 km farther

t (Vp - Vr) = 16

t = 16 km / (100 - 80) km/hr

t = 16 / 20 hr = 4/5 hr = 48 min

The initial angular momentum of the propeller before the torque was applied will be 32 kg m²/s.

Torque is the force's twisting action about the axis of rotation. Torque is the term used to describe the instant of force. It is the rotational equivalent of force. Torque is a force that acts in a turn or twist.

The amount of torque is equal to force multiplied by the perpendicular distance between the point of application of force and the axis of rotation.

The given data in the problem is;

The rotational inertia is,I  = 2.0 kg m²

The clockwise torque is, T = 4.0Nm

The time period is,t= 4.0s,

The angular speed is,ω= 24 * (rad)/s

The initial angular momentum of the propeller is,I₀

The angular acceleration is found by the relation;

[tex]\rm \tau = I \times \alpha \\\\ \alpha =\frac{\tau}{i} \\\\ \alpha =\frac{4.0}{2.0} \\\\ \alpha= 2.0 \ rad/sec^2[/tex]

The initial angular velocity is found as;

[tex]\rm \omega_f = \omega_0 + \alpha t \\\\ \omega_0 = \omega_f -\alpha t \\\\ \omega_0 =24 -[(-2.0)\times 4.0)] \\\\ \omega_0 = 16 \ rad/sec[/tex]

The initial angular momentum of the propeller is found as;

[tex]\rm L_0 = I \omega_0 \\\\ L_0 = 20 \times (1.6) \\\\ I_0 = -32 \ kgm^2/s[/tex]

Hence,the initial angular momentum will be 32 kg m²/s.

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Answer: 14 kg•m2/s

Explanation:

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