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Three particle each of 1kg mass are plac...

Three particle each of 1kg mass are placed at corners of a right angled triangle AOB, .O. being the origin of coordinate system (OA and OB along the x - direction and + ve y-direction). If OA = OB = 1m, the position vector of centre of mass (in metres) is

A

`(hat(i)+hat(j))/(3)`

B

`(hat(i)-hat(j))/(3)`

C

`(2(hat(i)+hat(j)))/(3)`

D

`hat(i)-hat(j)`

Text Solution

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The correct Answer is:
A
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