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Question

In two systems of relations among velocity, acceleration, and force are, respectively, v2=α2βv1,a2=αβa1 and F2=F1αβ. If α and β are constants, then make relations among mass, length, and time in two systems.

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Solution

Relation between mass :
From the equation, F2=F1αβ
M2a2=M1a1αβ
Or M2×(αβa1)=M1a1αβ
M2=M1α2β2
Relation between Time :
Time T=va
So, T2=v2a2=α2v1/βαβa1
Or T2=αβ2T1 (v1a1=T1)
Relation between Length :
Length L=vT
So, L2=v2T2=α2βv1×αβ2T1
L2=α3β3L1

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