Question

A mass m₁ has a velocity of u and mass m₂ has a velocity of v. Then find the individual momentum of mass m₁ and mass m₂ respectively.

• A. $m_{1}v$ and $m_{2}u$
• B. Both have zero momentum
• C. $m_{1}u$ and $m_{2}v$
• D. $m_1(u+v)$ and $m_2(u+v)$

Answer 1

The correct option is C

$m_{1}u$ and $m_{2}v$

We know, momentum, $p=mv$, where $m$ is the mass and $v$ is the velocity.
For first object, mass = $m_1$ and velocity = $u$.
Therefore momentum, $p=m_{1}u$

For second object, mass = $m_2$ and velocity = $v$.
Therefore momentum, $p=m_{2}v$