three point masses m,m, 2m,2m and 3m,3m are placed along a line with a

1.	three point masses m,m, 2m,2m and 3m,3m are placed along a line with a spacing l,l between successive masses. how far is the centre of mass from mass m,m ?
Answer» Answer: CM = m+2m+...+nm mL+2m×2L+...+nm×nL = (1+2+...+n) L(1 2 +2 2 +...+n 2 ) =L ∑n ∑n 2 =L 2 n(n+1) 6 n(n+1)(2N+1) = 3 (2n+1)L Don't forget to follow me...

three point masses m,m, 2m,2m and 3m,3m are placed along a line with a spacing l,l between successive masses. how far is the centre of mass from mass m,m ?

Answer»

Answer:

m+2m+...+nm

mL+2m×2L+...+nm×nL

(1+2+...+n)

L(1

+...+n

)

∑n

n(n+1)

n(n+1)(2N+1)

(2n+1)L

Don't forget to follow me...

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three point masses m,m, 2m,2m and 3m,3m are placed along a line with a spacing l,l between successive masses. how far is the centre of mass from mass m,m ?​

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three point masses m,m, 2m,2m and 3m,3m are placed along a line with a spacing l,l between successive masses. how far is the centre of mass from mass m,m ?