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.
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.
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