Asked by Marcela
When kicking a soccer ball (0.35kg), the time of contact is usually about 5ms. What average kicking force would be required to attain a ball velocity of 110 km/hr if the ball is initially at rest?
Answers
Answered by
Henry
V=110km/h = 110,000m/3600s = 30.56 m/s.
a=(V-Vo)/t = (30.56-0)/0.005=6111 m/s^2.
F = m*a = 0.35 * 6111 = 2139 N.
a=(V-Vo)/t = (30.56-0)/0.005=6111 m/s^2.
F = m*a = 0.35 * 6111 = 2139 N.
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