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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A person driving her car at 45 approaches an intersection just as the traffic light turns yellow. She knows that the yellow light lasts only 2.0 before turning to red, and she is 28 away from the near side of the intersection.
Babe Didrikson holds the world record for the longest baseball throw (296 ft) by a woman. What is the ball's initial speed?
What is the spring constant (k) of a spring if a force of 50N stretches the spring by 15 cm?
Two balls are moving in the same direction. Ball A has half the mass of ball B, and is moving at twice its speed. (a) Which ball has the greater momentum?
A juggler performs in a room whose ceiling is a height 3.0 m above the level of his hands. He throws a ball upward so that it just reaches the ceiling.At the instant when the first ball is at the ceiling, he throws a second ball upward with two-t
Suppose you are an administrative staff specialist newly employed by the hospital to act as a management engineer and address a number of issues relating to operating efficiency.
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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