Two mass each of 60g are attached to a fiction less pulley. When 10g are added to
one of the mass, what is it downward acc in cm/s2
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Explanation:
A boy of 1.5 metre tall runs with a speed of 3 metre per second along a straight path under a lamp hanging at a height of 3 metre,then
A)The shadow of his head moves uniformly with a speed of 3 m/s.
B)The shadow of his head moves uniformly with a speed of 4 m/s.
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