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Troyanec [42]
3 years ago
7

A piece of wood on top of an ocean wave stays in the same location, only moving up and down as the wave passes. It is energy tha

t moves toward the shore. Is this clain true or false? Please explain your answer.​​
Physics
1 answer:
Ierofanga [76]3 years ago
8 0

Answer:

Hey

Yes, this is true.

As some people have it wrong, waves in the water (ocean) are not waves of moving water, rather the wave is moving through the water. A wave is a disturbance of a medium not the meduim moving.

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Answer:

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Is the voltage of two identical lamps the same?​
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It depends if they have the same lightbulb in them.

Explanation:

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2 years ago
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gizmo_the_mogwai [7]
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3 years ago
0/2 File Limit
slamgirl [31]

Answer:

Speed at which it will reach the ground is given as

v_f = 46.8 m/s

Total time for which it will remain in air is given as

t = 6.3 s

Explanation:

As we know that the object is projected upwards with speed

v_i = 15 m/s

g = - 9.81 m/s^2

now when it will reach the ground then we have

y = v_y t + \frac{1}{2} at^2

so we have

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4.905 t^2 - 15 t - 100 = 0

so we have

t = 6.3 s

Now speed of the object when it reaches the ground is given as

v_f = v_i + at

v_f = -15 + (9.81)(6.3)

v_f = 46.8 m/s

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3 years ago
The first law of thermodynamics states that energy transforms matter in different ways by creating and destroying it.
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The answer then would be letter B. False. 
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