dolfA8ng4batmatellyw dolfA8ng4batmatellyw

04-11-2016
Physics

contestada

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??

Respuesta :

andriansp andriansp

06-11-2016

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

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