# physics

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What average force is required to stop an 1300 -kg car in 9.0 s if the car is traveling at 90 km/h?

• physics -

Vf=Vi+a*t where a= Force/mass

change km/hr to m/s

• physics -

What average force is required to stop an 1300 kg car in 9.0 s if the car is traveling at 65 km/h?

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