A child and sled with the combined mass of 60.4 kg slide, Ask an Expert

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Q1. A child and sled with the combined mass of 60.4 kg slide down a frictionless hill. If the sled starts from rest and has a speed of 13.4 m/s at the bottom, what is the height of the hill?

Q2. John Daly hits a golf ball at the angle of 25.0 degrees to the ground. If the golf ball covers a horizontal distance of 301.3 m. what is the ball's maximum height? (Hint- at the top of its flight, the ball's vertical velocity component will be zero.)

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Category:- Physics
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