Doubt by Anshita Sharda
how did you write in place of f net after differentation mdv/dt please explain
Video: #5-Law-of-Momentum
Video Time: 3 Min 47 Sec
Answers
Answer by Divya Garg
fnet = d/dt(p)
p = mv
fnet = mdv/dt + vdm/dt
since mass(m) is constant, dm/dt = 0,
therefore fnet = mdv/dt
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