Question
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
MY answer is B
A 900 J
B 1,800 J
C 27,000 J
D 54,000 J
MY answer is B
Answers
tyger2020
The answer is C.
Kinetic energy = 1/2 mass * velocity squared.
27,000 = 30kg * 30m/s * 30 m/s.
Kinetic energy = 1/2 mass * velocity squared.
27,000 = 30kg * 30m/s * 30 m/s.