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Particles of masses 100 and 300 gram hav...

Particles of masses 100 and 300 gram have position vectors `(2hat(i)+5hat(j)+13hat(k))` and `(-6hat(i)+4hat(j)+2hat(k))`. Position vector of their centre of mass is

A

`-(16)/(4)hat(i)+(17)/(4)hat(j)+(7)/(4)hat(k)`

B

`(20)/(4)hat(i)+(17)/(4)hat(j)+(7)/(4)hat(k)`

C

`-(16)/(4)hat(i)+(17)/(4)hat(j)+(19)/(4)hat(k)`

D

`-(16)/(4)hat(i)+(13)/(4)hat(j)+(19)/(4)hat(k)`

Text Solution

Verified by Experts

The correct Answer is:
C
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AAKASH SERIES-SYSTEM OF PARTICLES AND ROTATIONAL MOTION-EXERCISE - 2
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