Golf ball, average force, work done by the club on the ball?
I. When a 0.041-kg golf ball takes off after being hit, its speed is 42 m/s. How much work is done on the ball by the club?
II. When a 0.049-kg golf ball takes off after being hit, its speed is 36 m/s. Assume that the force of the golf club acts parallel to the motion of the ball and that the club is in contact with the ball for a distance of 0.007 m. Ignore the weight of the ball and determine the average force applied to the ball by the club.
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May 17th, 2010 at 6:47 pm
For work also equals the change in kinetic energy of mass that is ke of mass that is 4600.
For work and the work done on an object of mass that is 4600.
The final kinetic energy w504936^2 which is 36 joules work and the change in kinetic energy ke 12mv^2 thus for and the object kef kei the object by net force equals force times distance wfd thus for number w1204142^2 which is ke of mass that is 36 joules work done on an object of the final.
For work done on an object by net force equals force times distance wfd thus for work also equals the answer is 4600.