February 27, 2017

Homework Help: Physics

Posted by Bobby on Saturday, February 15, 2014 at 2:04am.

An 80 kg hiker climbs a 1000 m high hill at a constant speed. If the hiker's body is 25% efficient, how many kg of fat does the hiker burn in climbing the hill? Given: heat of reaction of body fat is 37000 kilo joules per kilogram.

I know that change in potential energy is 800,000. I just don't know what to do next.

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions