Posted by **leah** on Thursday, May 27, 2010 at 12:19pm.

A car with a mass of 1435 kg moves at 11 m/s. What braking force is needed to bring the car to a halt in 10 s?

- physics -
**drwls**, Thursday, May 27, 2010 at 2:02pm
The impulse delivered, (force)*(time), must equal the initial monetum, (mass)*(velocity).

Thus F = M V/T , in Newtons

- physics -
**Pam**, Monday, June 18, 2012 at 3:48pm
2500

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