Collision with the ground
If a super-ball of mass 200-g is dropped from 3 m in the air, but only bounces back 2.8 m, how much energy was lost in the collision with the ground?
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The spring sends the bearing to a height of 1.27 m. Calculate the horizontal distance the ball would travel if the same spring were aimed 36.0 deg from the horizontal.
If the water absorbs all the solar energy and does not exchange energy with its surroundings, how many hours will it take to warm from 15 degrees celsius to 25 degrees celsius?
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