msjbryant33
02.08.2019 •
Physics
A10.kg lead brick falls from a height of 2.0m. find the momentum as it reaches the ground.
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Ответ:
Then look at momentum put into the kinetic energy formula. Recall
Now we see that
Since the kinetic energy at the end of the fall is the same as the potential (Gravitational) energy at the beginning we set them equal
Ответ:
all of the above conditions are necessary for electric current to flow
Explanation:
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