3 years ago

Help? anyone? plz?

Physics

1 answer:

madam [21]3 years ago

6 0

Answer:

Explanation:

The answer is radiation.

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Read 2 more answers

A 13 kg rock is sitting on a cliff. If the rock has 3,500 joules of potential energy, what is the height of the cliff in meters?

Bezzdna [24]

<u>Answer:</u>

The height of the cliff in meters = 27.44

<u>Explanation:</u>

The potential energy of a body is given by the expression, PE = mgh, where m is the mass of the body, g is the acceleration due to gravity value and h is the height of the body.

Here we have mass of rock = 13 kg

Potential energy = 3500 J

Acceleration due to gravity = $9.81m/s^2$

Substituting 3500 = 13 * 9.81 * h

h = 27.44 meter

The height of the cliff in meters = 27.44

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4 years ago

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3 years ago

A rifle bullet leaves the barrel at 1500 meters per second. If it does not slow down or hit anything, how far can it travel in h

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Hope this helps!

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4 years ago