physics
posted by ray .
2.A ball rolls off a shelf with a horizontal velocity of v. At what horizontal distance from the shelf does the ball land if the height of the shelf is h above the floor?
3. A car travels around a circle with a diameter of 500 m at a constant speed of 25 m/s. The static friction coefficient is 0.3 and the kinetic friction coefficient is 0.2. Will the car skid?
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