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Show all work for problems 2a and 2b. 2. A 60.0-kg skier with an initial speed of 10.50 m/s coasts up a 2.50-m high rise,

Show all work for problems 2a and 2b.
2. A 60.0-kg skier with an initial speed of 10.50 m/s coasts up a 2.50-m high rise, as shown in figure. Find her final speed at the top, assuming that first, (a) friction f = 0 during the rise. VI = ? (a) of = KE 2.5 m 35 Find her final speed at the top if the friction f # 0 and the work done by friction is -130. J. (b) of =

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