Question

Check the correctness of relation E=mv2/r

Answer 1

Answer:

yes it is right answer OK

Answer 2

Answer:

● To check the correctness

of relation E = mv² / r

☆ By using Dimensional Analysis :

Dimensional formula of energy, E =

Energy = Work = Force × Displacement

$ML {T}^{ - 2} \times l \\ = M {L}^{2} {T}^{ - 2}$

Dimensional formula of R.H.S = mv² / r

=

$\frac{M \times( L {T}^{ - 1} ) ^{2} }{L} \\ = M {L}^{2} {T}^{ - 2}$

L.H.S = R.H.S

Hence, it is correct.

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