Which has more momentum, a $6kg$ object moving at $7m/s$ or a $3kg$ object moving at $5m/s$ ?

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Answer 1 · 2015-12-10T18:06:33

The 6 kg object has more momentum.

You work out the momentum $P$ of an object by multiplying the mass by the velocity:

$P=mxxv$

So for the 1st object:

$P=6xx7=42" "kg.m.s"^(-1)$

For the 2nd object:

$P=3xx5=15" "kg.m.s"^(-1)$

Which has more momentum, a 6kg6kg object moving at 7m/s7m/s or a 3kg3kg object moving at 5m/s5m/s?