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A60 kg archer, standing on frictionless ice, shoots a 90 g arrow at a speed of 110 m/s. what is the recoil speed of the archer
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A1200 kg car traveling north at 10 m/s is rear-ended by a 2000 kg truck traveling at 30 m/s. what is the total momentum before and after the collision?
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Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon
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The man of mass m1 and the woman of mass m2 are standing on opposite ends of the platform of mass m0 which moves with negligible friction and is initially at rest with s = 0. the man and woman begin to approach each other. derive an expression for the displacement s of the platform when the two meet in terms of the displacement x1 of the man relative to the platform.
Answers: 1
A60 kg archer, standing on frictionless ice, shoots a 90 g arrow at a speed of 110 m/s. what is the...
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