Question

Which object has the greatest kinetic energy?

A: a truck with a mass of 3,500 kg moving at 30 m/s

B: a person with a mass of 73 kg running 6 m/s

C: a locomotive engine with a mass of 205,000 kg moving 5 m/s

D: a fast pitched baseball with a mass of .5 kg moving at 46.9 m/s

Answer 1

K.E. = (1/2)MV^2
Substitute the numbers and see which gives the larger KE. Post your work if you get stuck.

Answer 2

thanks

Answer 3

where the answer

Answer 4

whats the answer?

Answer 5

Answers C