Which has more momentum, a $500 k g$ $500kg$ object moving at $\frac{1}{4} \frac{m}{s}$ $1/4m/s$ or a $50 k g$ $50kg$ object moving at $20 \frac{m}{s}$ $20m/s$ ?

Question

2602 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-06-21T14:38:45

$50 kg$ $"50 kg"$ object

Momentum ( $p$ $"p"$ ) is given by

$p = mass \times velocity$ $"p = mass × velocity"$

$"p"_1 = 500\ "kg" × 1/4\ "m/s" = 125\ "kg m/s"$

$"p"_2 = 50\ "kg" × 20\ "m/s" = 1000\ "kg m/s"$

$"p"_2 > "p"_1$

Which has more momentum, a 500kg500kg500kg object moving at 1/4m/s14ms1/4m/s or a 50kg50kg50kg object moving at 20m/s20ms20m/s?