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IRISSAK [1]
3 years ago
12

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

Chemistry
1 answer:
Pavel [41]3 years ago
8 0
KE = 1/2mv^2
KE = 1/2(4)*10 m/s^2
KE = 2 * 10
KE = 20 joules

Answer: 20 joules 
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