V^2 = Vo^2 + 2a*d
V = 0
Vo = 30 m/s.
d = 75 m.
Solve for a.(It should be negative).
F = m*a. The force will be negative,
because it acts against the motion.
A 600 kg car is moving on a level road at 30 m/s. How large of a braking force is needed to stop it in a distance of 75m?
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