# science

posted by hrn

A 60-kg cheetah reaches a speed of 30m\s as it chases its prey. What is the kinetic energy of the cheetah?
A 900 J
B 1,800 J
C 27,000 J
D 54,000 J

1. tyger2020

Kinetic energy = 1/2 mass * velocity squared.

27,000 = 30kg * 30m/s * 30 m/s.

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