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A rifle with a weight of 35 N fires a 5.5 g bullet with a speed of 200 m/s.
(a) Find the recoil speed of the rifle. m/s
(b) If a 725 N man holds the rifle firmly against his shoulder, find the recoil speed of the man and rifle. m/s
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A soccer player kicks the ball that travels a distance of 45.0 m on a level field. The ball leaves his foot at an initial speed of (v0) and an angle of 25.0° above the ground. Find the initial speed (v0) of the ball.
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