Question

A toy truck has a speed of 3 m/s and kinetic energy of 36 J. What is its mass?

Answer 1

Answer: 8 kilograms

Explanation:

Refer my captured answer

Answer 2

Answer:

8kg is answer.

velocity(speed)=3m/s

kinetic energy =1/2*mv2

36=1/2m(3)2

36=1/2m*9

36/9=1/2m

4=1/2m

4*2=m

8=m

thus the mass is 8kg