The lead female character in the movie Diamonds are Forever isstanding at the ed
ID: 1725123 • Letter: T
Question
The lead female character in the movie Diamonds are Forever isstanding at the edge of an offshore oil rig. As she fires a gun,she is driven back over the edge and into the sea. Suppose the massof a bullet is 0.010kg, and its velocity is +728m/s. Her mass(including the gun) is 45 kg. a) what recoil velocity does she acquire in response to asingle shot from a stationary position, assuming that no externalforce keeps her in place? ____m/s b) Under the same assumption, what would be her recol velocityif, instead, she shoots a blank cartridge that ejects a mass of 5.0X 10-4 kg at a velocty of +728 m/s? ____m/s The lead female character in the movie Diamonds are Forever isstanding at the edge of an offshore oil rig. As she fires a gun,she is driven back over the edge and into the sea. Suppose the massof a bullet is 0.010kg, and its velocity is +728m/s. Her mass(including the gun) is 45 kg. a) what recoil velocity does she acquire in response to asingle shot from a stationary position, assuming that no externalforce keeps her in place? ____m/s b) Under the same assumption, what would be her recol velocityif, instead, she shoots a blank cartridge that ejects a mass of 5.0X 10-4 kg at a velocty of +728 m/s? ____m/sExplanation / Answer
Given that the mass of person is M = 45 kg mass of bullet is m = 0.010 kg velocity of bullet is u = 728 m/s ------------------------------------------------------- Since no external force on the system so momentum isconserved mu = - Mv v = - mu / M = 0.161 m/s (b) Mass of cartridge is m = 5.0*10-4 kg velocity is u = 728 m/s Since no external force on the system so momentum isconserved mu = - Mv v = - mu / M = 0.0080 m/s
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