S stef New member May 3, 2009 #1 A barefoot field-goal kicker imparts a speed of 20 m/s to a football initially at rest. If the football has a mass of 0.33 kg and the time of contact with the ball is 0.024 s, what
A barefoot field-goal kicker imparts a speed of 20 m/s to a football initially at rest. If the football has a mass of 0.33 kg and the time of contact with the ball is 0.024 s, what
S Sec New member May 3, 2009 #2 Force = (Change in Momentum)/Contact Time F = (0.33 x 20)/0.024 = 275 newtons Best wishes
S Sec New member May 3, 2009 #3 Force = (Change in Momentum)/Contact Time F = (0.33 x 20)/0.024 = 275 newtons Best wishes