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As described in example box 6.2, a 100-kg crate is accelerated by a net force of 50

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As described in example box 6.2, a 100-kg crate is accelerated by a net force of 50 N applied for 4 s.
a. What is the acceleration of the crate from Newton’s second law?
b. If it starts from rest, how far does it travel in the time of 4 s?
c. How much work is done by the 50-N net force?
d. What is the velocity of the crate at the end of 4 s?
e. What is the kinetic energy of the crate at this time? How does this value compare to the work computed in part c?

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Mass of the crate m 100kg Net force Fnet 50N Time o...View the full answer


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