Wednesday
April 16, 2014

Homework Help: Science

Posted by Ren on Sunday, November 12, 2006 at 10:16am.

A car weights 1.30 X 10^4 N is initially moving at a speed of 40km/h when the brakes are applied and the car is brought to a stop in 15m. Assuming that the force that srops the car is constant. find a)magnitude of the force b)time required for the change in speed.

If the inital speed is doubled and the car experiances the same force during the braking by what factors are c) the stopping distance and d) the stopping time multiplied?

I have a test with this kind of problem on it soon and I still don't understand it. Please help me.

Use the impulse equation:

Force*time= mass*changeinvelocity

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Physics - a car that weights 15000 N is initially moving at 60 km/hour when the ...
physics - A car that weighs 15,000 N is initially moving at 60 km/hr when the ...
Physics - A car that weighs 14600.0 N is initially moving at a speed of 58.0 km/...
physics - A car that weighs 15,000 N is initially moving at 60km/hr when the ...
physics - A car that weighs 1.5 10^4 N is initially moving at a speed of 43 km...
Physics - A car that weighs 14900.0 N is initially moving at a speed of 57.0 km/...
physical science - . The brakes of a car are applied to give it an acceleration ...
Physical science - The brakes of a car are applied to give it an acceleration of...
Zeeland WEST - In a car accidnet involving a sports car, skid marks as long as ...
physics - A car that weifgs 15000 n is initially moving at 60 km/hr when the ...

Search
Members