- #1

- 11

- 0

A car with a mass of 1150 kg moves at 16 m/s. What braking force is needed to bring the car to a halt in 10s?

I set it up as

KE=1/2mv^2

=1/2(1150)(16)^2

=147200J

then v/2= 16/2=8

force= 147200/8

=18400 N

Could someone tell me what I did wrong?

Thanks