# Physics - Classical Mechanics

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Circular motion and Gravitation -

1. A car is traveling at 20 mi/h on a level road where the coefficient of static friction between the tires and the road is 0.8. Find the minimum turning radius of the car.

2. The acceleration of gravity on the surface of Mars is 0.4 g. How much will a person weigh on the surface of Mars if his/her weight on the Earth's surface is 180 lb?

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#### Solution Preview

1. A car is traveling at 20 mi/h on a level road where the coefficient of static friction between the tires and the road is 0.8. Find the minimum turning radius of the car.

v = 20 mph = ...

#### Solution Summary

The expert examines circular motion and gravitation for two different scenarios. Complete, Neat and Step-by-step Solutions are provided in the attached file.

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