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Q1. The driver of a 1800 {rm kg} car travelling on a horizontal road at 100 {rm km}/{rm h} suddenly applies the brakes. Because of a slippery pavement, the friction of the road on the tires of the car, which is what slows down the car, is 20.0% of the weight of the car.

What is the acceleration of car?

Q2. A stone thrown horizontally from the height of 8.5 m hits the ground at a distance of 13.10 m. estimate the initial speed of the ball.

Compute the speed of the ball as it hits the ground.

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Category:- Physics
Reference No.:- M9169183

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