wilmerena
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do 2 objects that have the same kinetic energy necessarily have the same momentum? I can't think of a simple example
The discussion revolves around the relationship between kinetic energy and momentum for two objects, exploring whether equal kinetic energy implies equal momentum. Participants provide examples and question assumptions related to these concepts.
The discussion is active, with participants exploring various interpretations of kinetic energy and momentum. Some guidance is offered through examples, but no consensus has been reached on the implications of zero momentum.
Participants are considering specific scenarios and examples, including the implications of zero momentum on kinetic energy, which may not be fully resolved due to the complexity of the concepts involved.
Consider a 5 kg mass going at 50 m/s, thus having 6.25 kJ of kinetic energy. Now, a mass of 125 kg going 10 m/s also has 6.25 kJ of kinetic energy. However, the first object has a momentum of 250 kg*m/s, and the second has 1250 kg*m/s of momentum.wilmerena said:do 2 objects that have the same kinetic energy necessarily have the same momentum? I can't think of a simple example
Think about it. For a simple object:wilmerena said:what if they both have 0 momentum, so does it follow that the kinetic energy of the system doesn't have to be zero as well? or does it?