Lecture Problems

# Lecture Problems - 1) A 1000-kg car is driving along a...

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1) A 1000-kg car is driving along a hilly road. At the top of a hill, the car has a speed of 20 m/s and a forward acceleration of 1.0 m/s 2 . At the bottom of the hill, the car has a speed of 10 m/s and a backward acceleration of 1.0 m/s 2 . R = 200 m R = 200 m a) What is the centripetal acceleration of the car at the top of the hill? b) What is the centripetal acceleration of the car at the bottom?

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1) (continued) A 1000-kg car is driving along a hilly road. At the top of a hill, the car has a speed of 20 m/s and a forward acceleration of 1.0 m/s 2 . At the bottom of the hill, the car has a speed of 10 m/s and a backward acceleration of 1.0 m/s 2 . R = 200 m R = 200 m c) What is the acceleration of the car at the top? d) What is the acceleration of the car at the bottom?
1) (continued) A 1000- kg car is driving along a hilly road…. R = 200 m R = 200 m e) If the speed of the car is 50 m/s when at the top, what normal force acts on the car? f)

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## This note was uploaded on 02/10/2012 for the course PHYS 123 taught by Professor Phys123 during the Spring '10 term at Buena Vista.

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Lecture Problems - 1) A 1000-kg car is driving along a...

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