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Braking to a Collision

Pro Problems > Physics > Momentum > Collisions
 

Braking to a Collision

A car is parked by the side of the road. Another car is traveling toward it at a speed of 25
m
s
. The second car is 100 meters from the first car when the driver slams on the brakes, and decelerates at a rate of 2
m
s
. When the car collides with the parked car, it stops, and the parked car moves forward at a rate of 10
m
s
. If the first car has a mass of 1500 kg, what is the mass of the second car?

Presentation mode
Problem by Mr. Twitchell

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