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OpenStudy (anonymous):
Computer the initial velocity of a 100g (mass) projectile that is launched by stretching a rubber band by 10cm. Assume the rubber band has an elastic constant of 50 KN/m and obeys a F = 4KS law. Hints:Potential (elastic) energy = FS (force x distance stretched) = KS x S Initial Velocity = Square root of[(2 x energy )/ mass] A. 0.1 m/s B. 1 m/s C. 10 m/s D. 100 m/s E. No correct answer is available
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