Agolf ball is dropped from rest from a height of 9.50 m. it hits the pavement, then bounces back up, rising just 9.70 m before falling back down again. a boy catches the ball on the way down when it is 1.20 m above the pavement. ignoring air resistance calculate the total amount of time the ball is in the air, from drop to catch?
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In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
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Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block
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The horizontal blue line through the middle of the lens is called the optical axis. as the lamp is moved above or below the axis, keeping the horizontal distance to the center of the lens constant, how does the horizontal distance from the lens to the image change?
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Agolf ball is dropped from rest from a height of 9.50 m. it hits the pavement, then bounces back up,...
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