Homework Help: physics

Posted by Mollie on Saturday, October 13, 2012 at 11:00pm.

A scraper is drawn over a tooth 22 times, each time moving a distance of 0.75 cm. The scraper is held against the tooth with a normal force of 5.4 N. Assuming a coefficient of kinetic friction of 0.90 between the scraper and the tooth, determine the work done to clean the tooth.

physics - drwls, Sunday, October 14, 2012 at 1:08am
5.4 * 0.90 * 0.75 * 22 = ____ Joules

Answer this Question

Related Questions

physics - speed of blood flow is 30 cm/s near the heart, but only 20 cm/s at a ...
Physics - A mouse pushes a piece of cheese with a mass of 6.4 g for a distance ...
PHYSICS PLEASE HELP! - (a)How much work is done by the field in moving the ...
Physics - 2. A person exerts a perpendicular force of 75 N on a door. Calculate ...
math - The head of an industrial machine moves in a straight line horizontally ...
algebra - what is 22 over 7 times 3 times 4 plus 22 over 7 times 3 to the second...
physics - a point moving on a straight line traversed half the distance with a ...
Calculus - The displacement (in meters) of a particle moving in a straight line ...
Physics 1 - The drawing shows a wire tooth brace used by orthodontists. The ...
Physics - ball starts from rest under constant acceleration. If it travels a ...

For Further Reading

First Name:
School Subject:
Answer: