Wednesday
April 16, 2014

Homework Help: Physics

Posted by David on Saturday, October 27, 2012 at 10:13pm.

A railroad car (m=3000 kg) is coasting along a level track with an initial speed of 22 m/s. A load of coal is then dropped into the car as sketched in the figure below.
(a) What are the velocities of the car and the coal before the collision along the x direction?
Vcar=____m/s
Vcoal=____m/s

(b) If the final speed of the car plus coal is 17 m/s, what is the mass of the coal?
_____kg

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - a 9000 kg railroad car moving at 3 m/s strikes a stationary 5000 kg ...
Physics - An open railroad car of mass 2445 kg is coasting with an initial speed...
physics - An open railroad car of mass 2449 kg is coasting with an initial speed...
physics - A cannon is mounted on a railroad car. The cannon shoots a 1.75 kg ...
Physics - A 3800 kg open railroad car coasts along with a constant speed of 8....
Physics - A 17000 kg railroad car travels along on a level frictionless track ...
PHYSICS - A 5630 kg open railroad car coasts along with a constant speed of 8.64...
Physics - A 40,000 kg railroad car initially traveling at 10 m/s collides ...
Physics - A 40,000 kg railroad car initially traveling at 10 m/s collides ...
Physics - A 40,000 kg railroad car initially traveling at 10 m/s collides ...

Search
Members