Friday
April 18, 2014

Homework Help: physics

Posted by #! on Wednesday, October 12, 2011 at 4:11am.

A horizontal force of 142 N is used to push a
47.0 kg packing crate a distance of 6.00 m on
a rough horizontal surface.
The acceleration of gravity is 9.81 m/s2 .
If the crate moves with constant velocity,
calculate
a) the work done by the force.
Answer in units of J

b) the coefficient of kinetic friction.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A horizontal force of 142 N is used to push a 47.0 kg packing crate a ...
physics.pls help - An ice hut used for winter fishing is at rest on a level ...
Physics - A force sensor is used to measure a force applied to a 7.5 kg box on a...
Physics - A horizontal force of 100 N pushes a 12kg block up a frictionless ...
physics - suppose the you push with a 40-N horizontal force on a 4-kg mass ...
Physics Help - A force sensor is used to measure a force applied to a 9.1 kg box...
Physics - A horizontal force of 150 N is used to push a 32.5-kg packing crate a ...
Physics - A horizontal force of 150 N is used to push a 32.5-kg packing crate a ...
Physics - A horizontal force of 150 N is used to push a 43.5 kg packing crate a ...
Physics - A horizontal force of 150 N is used to push a 43.5 kg packing crate a ...

Search
Members