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Three masses are placed on the "x-axis :...

Three masses are placed on the `"x-axis : 300 g"` at origin, `"500 g at x = 40 cm and 400 g at x = 70 cm"`. The distance of the centre of mass from the origin is -

A

40 cm

B

45 cm

C

50 cm

D

30 cm

Text Solution

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The correct Answer is:
A
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