A0.0140 kg bullet traveling at 205 m/s east hits a motionless 1.80 kg block and bounces off it, retracing its original path with a velocity of 103 m/s west. what is the final velocity of the block? assume the block rests on a perfectly frictionless horizontal surface.
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Chameleons catch insects with their tongues, which they can rapidly extend to great lengths. in a typical strike, the chameleon's tongue accelerates at a remarkable 220 m/s2 for 20 ms, then travels at constant speed for another 30 ms.
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A0.0140 kg bullet traveling at 205 m/s east hits a motionless 1.80 kg block and bounces off it, retr...
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