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5 votes
Pls explain the following equation...

F=v dm/dt
=v(_Av)
=_Av^2

what is the 2nd v in the bracket?? where does it come from??

User Shirley
by
7.8k points

1 Answer

6 votes
F = d/dx (mv)

F = m dv/dt + v dm/dt

In this case, dv/dt = 0

Which means that
F = v dm/dt

hope this helps
User Jan Giacomelli
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7.9k points