Fmax6936.0 10102.0 10104.5 10 N.=××−××=×−−ch15332..(d) Since it starts from rest, the ball acquires momentum equal to the impulse from the kick. Let mbe the mass of the ball and vits speed as it leaves the foot. Then, 9.0 N s20 m/s.0.45 kgpJvmm⋅====35. (a) We take the force to be in the positive direction, at least for earlier times. Then the impulse is 33.0 102003.062930(6.0 10 )(2.0 10 )11239.0N s.JFdtttdttt−×××ªº==×−×¬¼
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.