if mass is 85kg. and the applied force is 95N at 27degrees above the horizontal. what is the coefficient of kinetic friction?

Principles of Physics: A Calculus-Based Text
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Chapter4: The Laws Of Motion
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Problem 25P: In Example 4.6, we investigated the apparent weight of a fish in an elevator. Now consider a 72.0-kg...
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can you pls answer a-e. a is not in the pic but reads: if mass is 85kg. and the applied force is 95N at 27degrees above the horizontal. what is the coefficient of kinetic friction? here’s b-e. thank u!!!!
Сову
b) Mr Yost then pulls his kids to a hill that has an angle of 17° above the horizontal. Knowing the hill has
the same coefficient of friction from (a), determine the acceleration of his kids as they slide down the
hill
Name:
c) The kids on the sled reach the bottom of the hill with a velocity of 10.5 m/s. Knowing the coefficient
of friction is the same as in (a), how far will the girls continue to slide?
d) Mr. Yost has to pull the girls back up the hill that is still 17° from the horizontal. If Mr. Yost applies the
force parallel to the hill, how much force must he apply for the sled to move at a constant speed?
e) Once the children have returned back up the hill, they ride down the same hill with Mr. Yost on the sled
along with them. According to the calculations we have performed, does Mr. Yost's mass affect the
acceleration of the sled? Why or why not
Transcribed Image Text:Сову b) Mr Yost then pulls his kids to a hill that has an angle of 17° above the horizontal. Knowing the hill has the same coefficient of friction from (a), determine the acceleration of his kids as they slide down the hill Name: c) The kids on the sled reach the bottom of the hill with a velocity of 10.5 m/s. Knowing the coefficient of friction is the same as in (a), how far will the girls continue to slide? d) Mr. Yost has to pull the girls back up the hill that is still 17° from the horizontal. If Mr. Yost applies the force parallel to the hill, how much force must he apply for the sled to move at a constant speed? e) Once the children have returned back up the hill, they ride down the same hill with Mr. Yost on the sled along with them. According to the calculations we have performed, does Mr. Yost's mass affect the acceleration of the sled? Why or why not
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