Question

If a ball has a speed of 10 m/s and a momentum of 2.5 kg∙m/s,
what is its mass?

Answer 1

0.25 kg

Explanation:

$p = m \times v \\ 2.5 = m \times 10 \\ m = \frac{2.5}{10} \\ \boxed{m = 0.25}$