Question

Which has more momentum, a `8kg` object moving at `4m/s` or a `7kg` object moving at `5m/s`?

Answer 1

Object having mass `8 kg` has more momentum.

Explanation:

Momentum is given by product of mass and velocity.
So, `p=mxxv`

Momentum of object having mass `8 kg` `= 8xx4`

Momentum of object having mass `8 kg` `=32kgms^-1`

Momentum of object having mass `7 kg` `= 7xx5`

Momentum of object having mass `8 kg` `=35kgms^-1`

Hence, Object having mass `8 kg` has more momentum.