Work, Power and EnergyHard
Question
If the system is released from rest then speed of mass m when it has travelled a distance d on a rough surface is :
Options
A.
B.
C.
D.
Solution
2 mgd = 
mv2 + 
(2m) v2 + (μmg) d
2 mgd =
mv2 + 
mv2 + (2m) v2 + (μmg) d2 mgd =
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