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Question: A soccer player kicks the ball toward a goal that is 21.0 m in front of him. The ball leaves his foot at a speed of 18.8 m/s and an angle of 36.0 ° above the ground.
Part A: Find the speed of the ball when the goalie catches it in front of the net.
I need help to find the speed of the ball when the goalie catches it in front of the net.
The incident electron loses energy The incident electron emits an x-ray.
a cylinder with initial volume v contains a sample of gas at pressure p. on one end of the cylinder a piston is let
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A solid sphere of mass m and radius r spins about a horizontal axis with a period T. Find the size of the torque acting on the sphere
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An object attached to a spring has simple harmonic motion with amplitude of 3.00 cm. When the object is 1.73 cm from the equilibrium position, what fraction of its total energy is potential energy?
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