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Natali5045456 [20]
3 years ago
6

Define mechanical energy in your own words. Give an example of the last time you used mechanical energy.

Physics
1 answer:
djyliett [7]3 years ago
7 0

Answer:

The sum of the potential energy and kinetic energy of a body or system        An example of mechanical energy is the power of a football flying through the air.

Explanation:

I took a test.

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A student connects an object with mass m to a rope with a length r and then rotates the rope around her head parallel to the gro
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The object takes 0.5 seconds to complete one rotation, so its rotational speed is 1/0.5 rot/s = 2 rot/s.

Convert this to linear speed; for each rotation, the object travels a distance equal to the circumference of its path, or 2<em>π</em> (1.2 m) = 2.4<em>π</em> m ≈ 7.5 m, so that

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