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Two blocks of mass 10kg, 30kg coordinate...

Two blocks of mass 10kg, 30kg coordinate (0,0) and at (x,0). A block of 10kg is moved a distance of 6cm towards 30kg. Find the distance moved by mass of 30kg block to keep centre of mass at same place.

A

4 cm towards the 10 kg block

B

2 cm away from the 10 kg block

C

2 cm towards the 10 kg block

D

4 cm away from the 10 kg block

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