servation of momentum in one dimension For the following experiment, be sure to

Question

servation of momentum in one dimension For the following experiment, be sure to make your prediction BEFORE observing the demonstration! Two experiments are conducted. The first experiment is the same as the one from last class, in which an incident cart hits a more-massive target cart and rebounds. In a new experiment, the incident cart is turned around so that the non-magnet side will contact the target cart. The incident cart is launched with the same speed as before. This time, instead of bouncing pack, the incident cart will more-or-less come to rest after the collision. . In this new situation, will the speed of the target cart after the collision be greater than, less than, or equal to what it was in the previous experiment? Explain the reasoning for your prediction. lonoet candt )e

Explanation / Answer

The speed of the target cart will be maximum when then the cart bounce back because in that case only, change in the momentumof incident cart will be maximum. Since the total momentum must be conserved hence same amout of momentum will change in target cart but in opposite direction. In new situation, the speed of target cart will be less than the previous situation because incident cart will be stopped and its entire momentum transfet to the target cart while in previous case when, cart was bounce back and hence the momentum transfer will be higher.

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