A)A 100kg person is riding a 10kg bicycle up a 25degree hill. The hill is long and the coefficient of static friction is 0.9. How much force does the person have to apply in order for her to ride 10m up the hill at constant velocity? B) If the person now starts from rest from the topf of the hill and rolls down a distance of 7m before squeezing hard on the brakes locking the wheels. How much work is done by friction to bring the bicycle to a full stop, knowing that the coefficient of kinetic friction is 0.65?

2 answers

Why are you posting a connexus question? You know you can be kicked out for cheating.
but, but, it would have been fun :(