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A body of mass 20 kg at one end and anot...

A body of mass 20 kg at one end and another of 60 kg at the other end of a string passing over a frictionless pully are suspended as shown in the figure. Acceleration of this system is `m/s^(2)`.

A

4.44

B

2.5

C

3

D

5

Text Solution

Verified by Experts

The correct Answer is:
D

`a= g(m_(1)-m_(2))/(m_(1)+m_(2))`
`=(10(60-20))/(60+20)`
`=(10xx 40)/(80)= 5 m//s^(2)`
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