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16 A runner has a momentum of \( 720 \mathrm{~kg} \mathrm{~m} / \mathrm{s} \) and is
traveling at a velocity of \( 5 \mathrm{~m} / \mathrm{s} \). What is his mass?
A) 14.4 kg
(B) 360 kg
(D) 144 kg
(D) 1400 kg
\( > \)
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Bonus Knowledge
To calculate the mass of the runner, you can use the momentum formula, which is given by \( \text{momentum} = \text{mass} \times \text{velocity} \). Rearranging this, you get \( \text{mass} = \frac{\text{momentum}}{\text{velocity}} \). Plugging in the values, \( \text{mass} = \frac{720 \, \text{kg m/s}}{5 \, \text{m/s}} \), which simplifies to \( \text{mass} = 144 \, \text{kg} \). So, the correct answer is (C) 144 kg. Ever wondered how Olympic athletes prepare for their events? They don't just train hard; they also have to understand concepts like momentum precisely! Runners and sprinters study their momentum and velocity to optimize their performance, ensuring they leverage their strength efficiently for those record-breaking sprints. Balancing nutrition, training regimens, and physiological knowledge, they become masters not only of their bodies but of physics too!
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