Thursday
September 3, 2015

Homework Help: Physics

Posted by Ellie on Friday, September 21, 2012 at 8:24pm.

Two 30kg children in a 20 kg cart are stationary at the top of a hill. They start rolling down the 80m tall hill and they are traveling at 30 km h-1 when they reach the bottom. (The cart had brakes!) How much work was done on the cart by friction during its travel down the hill? (Note: the use of the word on and remember to specify the sign of the work done.)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

More Related Questions

Members