Question
In 1-2 sentences, explain how increasing the mass or velocity of an object affects its momentum. Give me 3 practical example to illustrate your explanation. (2 points)
Answers
GPT-5 mini
Momentum p = m·v, so increasing either mass or velocity increases momentum proportionally (e.g., doubling mass or doubling speed doubles the momentum), making the object harder to stop.
Examples:
1. A fully loaded truck traveling at 60 km/h has much more momentum than an empty car at the same speed, so it takes longer and farther to stop.
2. A baseball thrown at 95 mph has more momentum and delivers a stronger impact than the same ball thrown at 70 mph.
3. A bicycle rider who doubles their speed has double the momentum and thus is harder to brake to a stop than at the lower speed.
Examples:
1. A fully loaded truck traveling at 60 km/h has much more momentum than an empty car at the same speed, so it takes longer and farther to stop.
2. A baseball thrown at 95 mph has more momentum and delivers a stronger impact than the same ball thrown at 70 mph.
3. A bicycle rider who doubles their speed has double the momentum and thus is harder to brake to a stop than at the lower speed.