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haileycrane
20.01.2021 •
Physics
A 36.75 kg boulder is rolling down a hill. If, at one moment, the boulder has a momentum of 241.5 kg. m/s, what is its
velocity at that time?
Can someone please help with this I don’t get it
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Ответ:
6.571428571m/s
Explanation:
The momentum of an object is basically a measure of its motion, and it takes both mass and the velocity an object is travelling at into account.
Momentum = mass x velocity
(sub in values from question)
241.5=36.75v
v=6.571428571m/s
Ответ:
C
Explanation:
Because the north and the south pole are like the earth if they didn't attracted we would all die.