Tuesday
November 25, 2014

Homework Help: physics

Posted by Alejandro on Monday, October 10, 2011 at 6:30pm.

A railway flat car is rushing along a level frictionless track at a speed of 45m/s. Mounted on the car and aimed forward is a cannon that fires 65 kg cannon balls with a muzzle speed of 625m/s. The total mass of the car, the cannon, and the large supply of cannon balls on the car is 3500 kg. How many cannon balls must be fired to bring the car as close to rest as possible?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A railway flat car is rushing along a level frictionless track at a ...
science - You are standing stationary along the side of the railroad tracks. A ...
Physics - A cannon is mounted on a railway flatcar, the muzzle elevated to 31.4...
Physics - a 1.5kg cannon is mounted on top of a 2.0kg cart and loaded with a 52....
Physics - a 1.5kg cannon is mounted on top of a 2.0kg cart and loaded with a 52....
Physics - A cannon on a railroad car is facing in a direction parallel to the ...
physics - A cannon on a railroad car is facing in a direction parallel to the ...
Physics - A 17000 kg railroad car travels along on a level frictionless track ...
physics - A 500-kg cannon and a supply of 80 cannon balls, each with a mass of ...
physics - A cannon is mounted on a railroad car. The cannon shoots a 1.75 kg ...

Search
Members