Question

If an object of mass m has velocity v, then the dimensions of mv2 Is same as that of

Answer 1

Answer:

mv Mass of the object = m Velocity = v Momentum = Mass —Velocity Momentum = mv

Explanation:

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Answer 2

Answer:

We can say that the dimensions of mv² are the same as that of energy.

Explanation:

Given:-

Mass of the body = m kg

The velocity of the body = v m/s

The unit of (mv²) =  $[kg.(\frac{m}{s} )^{2}]$

Then the dimensions of mv² will be =   $[ML^2T^{-2}]$

Also, we know that the kinetic energy of a body = $\frac{mv^2}{2}$

Thus the units of energy of a body =kg.m²/s²

So, the dimensions of energy are also   $[ML^2T^{-2}]$

Thus, we can say that the dimensions of mv² are the same as that of energy.