a girl having a mass of 30 kg runs up a flight of 50 step each step is 5 cm height calculate the work done by the girl . (g= 10 metre per second square)
(a 750j
b 640j
c 740j
d 650j
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a girl having a mass of 30 kg runs up a flight of 50 step each step is 5 cm height calculate the work done by the girl . (g= 10 metre per second square)
(a 750j
b 640j
c 740j
d 650j
ANSWER IS C
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