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A 1000-kg car moving at 10 m/s brakes to a stop in 5 s. The average braking force is...

How do I solve this?

2007-02-25 12:39:02 · 3 answers · asked by angelgirl 2 in Science & Mathematics ➔ Physics

These equations will help.
F=ma
a=v/t

2007-02-25 12:45:34 · answer #1 · answered by Bill 4 · 0⤊ 0⤋

a = 10/5 = 2 m/s^2
Braking F = 1000*2 = 2000 N

2007-02-25 12:44:20 · answer #2 · answered by DuckyWucky 3 · 0⤊ 0⤋

Force=mass( m) x acceleration( a)=m a=m u/t where u is initial velocity and t is time then
force=1000x10/5=2000 newton

2007-02-25 12:47:28 · answer #3 · answered by ukmudgal 6 · 0⤊ 0⤋