Question

Which has more momentum, a `7kg` object moving at `4m/s` or a `6kg` object moving at `7m/s`?

Answer 1

`"6 kg"` object

Explanation:

Momentum (`"p"`) is given by

`"p = mv"`

`"p"_1 = "7 kg × 4 m/s = 28 kg m/s"`
`"p"_2 = "6 kg × 7 m/s = 42 kg m/s"`

`"p"_2 > "p"_1`