contestada

010 (part 1 of 2) 10.0 points
A skier of mass 73.2 kg is pulled up a slope by
a motor-driven cable.
The acceleration of gravity is 9.8 m/s².
How much work is required to pull him
60.5 m up a 38.4° slope (assumed to be fric-
tionless) at a constant speed of 3.12 m/s?
Answer in units of kJ.
011 (part 2 of 2) 10.0 points
What power must a motor have to perform
this task?
Answer in units of hp.