Multiple Choice
A barefoot field-goal kicker imparts a speed of 30 m/s to a football at rest.If the football has a mass of 0.45 kg and time of contact with the football is 0.035 s,what is the force exerted on the foot?
A) 14 N
B) 13 N
C) 390 N
D) 860 N
E) 900 N
Correct Answer:
Verified
Correct Answer:
Verified
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