Answered

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A deer jumps out of the woods in front of an oncoming car that is traveling 17.8 m/s (40 mph). The car slams on its breaks in order to stop as quickly as possible to avoid the collision. The car weighs 8820N and has a mass of 900kg. The coefficient of sliding friction between it’s tires and the road is 0.8.
(a) What is the force of friction that is slowing down the car?
(b) What is the negative acceleration slowing down the car?
(c) How much time doe s it take for the car to come to a stop?

Sagot :

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