Wednesday
April 16, 2014

Homework Help: Physics

Posted by Dan on Tuesday, May 22, 2012 at 11:36am.

A railroad car moves under a grain elevator at a constant speed of 3.70 m/s. Grain drops into the car at the rate of 580 kg/min. What is the magnitude of the force needed to keep the car moving at constant speed if friction is negligible?

F = Ma -> R * V(rel)

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A railroad car rolling along by itself is passing by a grain elevator...
Physics - A railroad car moves under a grain elevator at a constant speed of 4....
physics - A certain elevator car has mass 2200 kg and is lifted by cables driven...
science - To stop an elevator in free fall, brakes are installed between the ...
physics - a 9000 kg railroad car moving at 3 m/s strikes a stationary 5000 kg ...
physics - A cannon is mounted on a railroad car. The cannon shoots a 1.75 kg ...
Physics - A 500 kg elevator starts from rest. It moves upward for 4.00 s with ...
Physics - While an elevator of mass 2681 kg moves upward, the tension in the ...
Physics - A weight is hung from the ceiling of an elevator by a massless string...
Physics - How will the weight of a 20kg object change in an elevator if the ...

Search
Members