Wednesday
April 16, 2014

Homework Help: physics

Posted by confidence on Sunday, January 27, 2013 at 2:14pm.

a book,initially at rest is pushed along a horizontal table top by a horizontal force of 2N. After 1s it has been moved 1.5m. The force of friction is 0.4N
a.how much work is done on the book by the 2N force?
b.how much work is done on the book by friction?
c.what is the books kinetic energy after 1s?
d.what power is required?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - In a pickup game of dorm shuffleboard, students crazed by final exams ...
college physics - In a pickup game of dorm shuffleboard, students crazed by ...
physics - In a pickup game of dorm shuffleboard, students crazed by final exams ...
physics - For some reason i cant get this question. If someone can help that ...
Physics - A 75.0kg bobsled is pushed along a horizontal surface by two athletes...
Physics - A 79.4 kg bobsled is pushed along a horizontal surface by two athletes...
Physics - A crate is initially at rest on a rough, horizontal floor. The crate ...
physics - A 3.5 kg block, initially in motion, is pushed along a horizontal ...
physics - a car is pushed along at 2.50 times 10^3 kg from rest creating 5000 ...
physics - A 3.2 kg block initially at rest is pulled to the right along a ...

Search
Members