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23 Nov 2019
Starting with an initial speed of 5.22 m/s at a height of 0.394 m,a 2.94 kg ball swings downward and strikes a 5.63 kg ball that isat rest. a) using the principle of conservation of mechanicalenergy, find the speed of the 2.94 kg ball just before impact. b)assuming that the collision is elastic, find the velocity(magnitude and direction) of the 2.94 kg ball just after thecollision. c) assuming that the collision is elastic, find thevelocity (magnitude and direction) of the 5.63 kg ball just afterthe collision. d) how high does the 2.94 ball swing after thecollision, ignoring air resistance? e) how high does the 5.63 kgball swing after the collision, ignoring air resistance?
Starting with an initial speed of 5.22 m/s at a height of 0.394 m,a 2.94 kg ball swings downward and strikes a 5.63 kg ball that isat rest. a) using the principle of conservation of mechanicalenergy, find the speed of the 2.94 kg ball just before impact. b)assuming that the collision is elastic, find the velocity(magnitude and direction) of the 2.94 kg ball just after thecollision. c) assuming that the collision is elastic, find thevelocity (magnitude and direction) of the 5.63 kg ball just afterthe collision. d) how high does the 2.94 ball swing after thecollision, ignoring air resistance? e) how high does the 5.63 kgball swing after the collision, ignoring air resistance?
Deanna HettingerLv2
1 Jun 2019
