February 21, 2017

Homework Help: physics

Posted by monic on Friday, October 12, 2012 at 12:09am.

A skier of mass 74 kg is pulled up a slope by a motor-driven cable.
(a) How much work is required to pull him 90 m up a 30° slope (assumed frictionless) at a constant speed of 3.0 m/s?

(b) What power (expressed in hp) must a motor have to perform this task?

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions