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Q. A slingshot fires a pebble from the top of a building at a speed of 13 m/s. The building is 35-m tall. Ignoring air resistance, determine the speed with which the pebble strikes the ground while the pebble is fired (a) horizontally, (b) vertically straight up, and (c) vertically straight down.

Q. A water-skier, moving at a speed of 9.15 m/s, is being pulled by a tow rope that makes an angle of 37.0° regarding the velocity of the boat (see the Illustrating). The tow rope is parallel to the water. The skier is moving in the similar direction as the boat. If the tension in the tow rope is 130 N, determine the work that it does in 14.0 s.

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  • Category:- Physics
  • Reference No.:- M9351941

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