Question

estimate the average force exerted by a shot-putter on a 7.0kg shot if the shot is moved through a distance if 2.8m and is released with a speed of 13 m/s

Answer 1

Answer:

Best answer

v² = u² + 2as

(13m/s)² = 0 + 2 * a * 3m → a = 28.2 m/s²

F = ma = 7kg * 28.2m/s² = 197 N