Friday
April 18, 2014

Homework Help: physics

Posted by julia on Wednesday, December 5, 2007 at 1:16pm.

A 20 kg child on roller skates, initially at rest, rolls 4 m down an incline at an angle of 30 degrees with the horizontal. If there is no friction between incline and skates, what is the kenetic energy of the child at the bottom of the incline? (g= 9.81 m/s^2)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - A 37 kg child roller skates, initially at rest, rolls 2.0 m down an ...
Physics - A 37 kg child roller skates, initially at rest, rolls 2.0 m down an ...
Physics - A 37 kg child roller skates, initially at rest, rolls 2.0 m down an ...
Physics - A 16kg child on roller skates rolls 2m down an incline at 20 degrees ...
Physics Energy and Work - A 20.0 kg child on skis, initially at rest, slides 2.0...
Physics - 15. [1pt] A thin hoop of radius r = 0.59 m and mass M = 9.2 kg rolls ...
Physics - A solid sphere rolls without slipping from rest down a plane at 4.00m ...
Physics - forces acting at an angle - The physics of tobogganing and forces at ...
physics - A 25 kg box slides, from rest, down a 9-m-long incline making an angle...
Physics - A 2000kg car begins from rest and rolls 50.0m down a frictionless 10 ...

Search
Members