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lions [1.4K]
3 years ago
10

A ball with a mass of 5.0 g is moving at a speed of 2.0 m/s. Would doubling the mass or doubling the speed have a greater effect

on the kinetic energy of the ball? Explain.
Physics
1 answer:
Sloan [31]3 years ago
8 0

Answer:

Explanation:

doubling the speed will have a greater impact on kinetic energy as KE is a product of mass and the square of velocity.

KE = ½mv²

Base KE = ½(0.005)2.0² = 0.01 J

doubling the mass

        KE = ½(0.010)2.0² = 0.02 J

doubling the velocity

        KE = ½(0.005)4.0² = 0.04 J

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An ore car of mass 39000 kg starts from rest and rolls downhill on tracks from a mine. At the end of the tracks, 25 m lower vert
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Answer:

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