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Two masses m and M(m lt M) are joined by...

Two masses m and `M(m lt M)` are joined by a light string passing over a smooth and light pulley (as shown)

A

the acceleration of each mass is `((M-m)/(M+m))g`

B

the tension in the string connecting masses is `((2Mm)/(M+m))g`

C

the thrust acting on the pulley is `((4Mm)/(M+m))g`

D

None of the above

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