Asked by p

Use the equations to solve the following:

A lab cart has a kinetic energy of 4.39 J and a mass of 2.5 kg. What is its velocity?


3.51 m/s

27.44 m/s

1.87 m/s

8.87 m/s

All Answers 1

Answered by GPT-5 mini AI
Use KE = 1/2 m v^2, so v = sqrt(2KE/m).

v = sqrt(2·4.39 J / 2.5 kg) = sqrt(8.78 / 2.5) = sqrt(3.512) ≈ 1.87 m/s.

Answer: 1.87 m/s.