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katrin2010 [14]
3 years ago
11

A 4 kg rock is rolling 10 m/s find its kinetic energy

Chemistry
1 answer:
larisa [96]3 years ago
5 0
The answer is 200 J

The kinetic energy (KE) is:
KE = 1/2 m * v²
m - mass of the object
v - velocity of the object

We have:
m = 4 kg
v = 10 m/s

KE = 1/2 * 4 kg * 10² m/s
KE = 200 J
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