Question

Name the unit of physical quantity obtained by the formula p square / 2 m where p is momentum and m is mass.

Answer 1

This the formula of Kinetic Energy.

Hence the formula will be Joules.

Hope this helps you.

Answer 2

Kinetic energy is the physical quantity is obtained by the given formula.

Explanation:

It is required to say that which physical quantity is obtained by the given formula :

$\dfrac{p^2}{2m}$

Here, p is the momentum

m is the mass of the object

Since, p = mv, v is the velocity

This gives, $\dfrac{(mv)^2}{2m}$

$\dfrac{1}{2}mv^2$

It is equal to the kinetic energy of the object. Hence, kinetic energy is the physical quantity is obtained by the given formula.

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Momentum

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