Answer: 45.1N
Explanation:
Answer: 45.1N
Explanation:
The work done in the block is equal to change in energy is the system. We then go ahead to calculate W with the given values of initial and final speed.
W= Ef - Ei
W= 1/2MVf² - 1/2MVi²
W= 1/2M (Vf² - Vi²)
W= 1/2 * 41 (6²-5²)
W= 1/2 * 41 * 11
W= 225.5J
We note the definition of work and solve for F.
Taking into cognizance the displacement we have been given in the question. We then have
F = W/x
F = 225.5/5
F = 45.1N
The answer to your question is SPEED.