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OpenStudy (anonymous):
A boy weighing 45 Kg stands on a spring balance that is going down with a constant speed of 3m/s if the lift is brought to halt by a constant deceleration, in a distance of 10m, the scale reading during this period is?
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OpenStudy (anonymous):
@shubhamsrg @ajprincess @hartnn @ujjwal
OpenStudy (anonymous):
V^2 - u^2 = 2as -9 = 2*a*10 a = -9/10
OpenStudy (anonymous):
@mukushla
OpenStudy (anonymous):
R1 = m(g-a)
OpenStudy (anonymous):
sorry im busy
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OpenStudy (anonymous):
man..just a minute plzz
OpenStudy (ajprincess):
|dw:1345278243699:dw|
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