3. A car skids to a stop on an icy road. The car has an initial velocity of 25.0 m/s and skids for a total distance of 130 m. The mass of the car is unknown. a) Calculate the deceleration of the car.

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3. A car skids to a stop on an icy road. The car has an initial velocity of 25.0 m/s and
skids for a total distance of 130 m. The mass of the car is unknown.
a) Calculate the deceleration of the car.
b) Draw the free-body diagram with the forces labeled but not calculated.
c) Find the coefficient of friction, u between tires and the road.
(You don't know the car's mass. Stay in the algebra until the mass cancels out.)
d= (vi)-(VF)?
24X
127
Transcribed Image Text:3. A car skids to a stop on an icy road. The car has an initial velocity of 25.0 m/s and skids for a total distance of 130 m. The mass of the car is unknown. a) Calculate the deceleration of the car. b) Draw the free-body diagram with the forces labeled but not calculated. c) Find the coefficient of friction, u between tires and the road. (You don't know the car's mass. Stay in the algebra until the mass cancels out.) d= (vi)-(VF)? 24X 127
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