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An automobile's wheels are locked as it slides to a stop from an initial speed of 30.0 m/s. If the coefficient of static friction is 0.300 and that of kinetic friction is 0.200 and the road is horizontal, how long does it take the car to stop?
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A soccer player kicks the ball that travels a distance of 45.0 m on a level field. The ball leaves his foot at an initial speed of (v0) and an angle of 25.0° above the ground. Find the initial speed (v0) of the ball.
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