Mechanics - doubt in reduced mass and center of mass

11

Anirudh Narayanan ·2008-12-29 21:48:21

reduced mass? What's that?

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msp ·2008-12-29 21:52:27

u can get more abt reduced mass

at http://en.wikipedia.org/wiki/Reduced_mass

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1

skygirl ·2008-12-30 00:28:38

where is the system ?

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1

skygirl ·2008-12-30 00:32:37

okie... ealier the pic was not shown in my pc :(

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1

skygirl ·2008-12-30 01:45:12

A[com] = m1a1 + m2a2 / m1+m2

a [red mass] = (m1a1+m2a2)m1m2/ m1+m2

hence...

A (m1m2) = a

(i think.)

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11

Subash ·2008-12-30 01:47:20

isnt the relation dimensionally incorect

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1

skygirl ·2008-12-30 01:59:42

oops i wrote that reduced maass wrongly

soory

typoooooooooo :(

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skygirl ·2008-12-30 02:01:15

A[com] = m1a1 + m2a2 / m1+m2

a [red mass] = (m1a1+m2a2)(m1+m2)/m1m2

hence...

a = A(m1+m2)²/m1m2

(i think.)

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doubt in reduced mass and center of mass

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