How much pe will the box have at the top

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Reference no: EM1353332

Q. A golf ball strikes a hard, smooth floor at an angle of 30.0 ° and, as the drawing shows, rebounds at the same angle. The mass of the ball is 0.047 kg, and its speed is 45 m/s just before and after striking the floor. What is the magnitude of the impulse applied to the golf ball by the floor? (Hint: Note that only the vertical component of the ball's momentum changes during impact with the floor, and ignore the weight of the ball.)

Q. A 15 kg box is pulled up an 8 m long ramp with a force of 75 N, the ramp rises the box 3 m above the ground.How much PE will the box have at the top?

Reference no: EM1353332

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