Which of the following objects has the greatest momentum if all are moving at the same speed?

• A. A baseball with mass $0.15 \mathrm{kg}$
• B. A bicycle with mass $15 \mathrm{kg}$
• C. A car with mass $1500 \mathrm{kg}$
• D. A truck with mass $3000 \mathrm{kg}$

Answer: (D)

Verified step by step guidance

1. Recall the formula for momentum, which is given by \(p = m \times v\), where \(p\) is momentum, \(m\) is mass, and \(v\) is velocity.
2. Since all objects are moving at the same speed, the velocity \(v\) is constant for all of them.
3. Because velocity is the same, the momentum of each object depends directly on its mass.
4. Compare the masses of the objects: baseball (0.15 kg), bicycle (15 kg), car (1500 kg), and truck (3000 kg).
5. The object with the greatest mass will have the greatest momentum, so identify the object with the largest mass to find which has the greatest momentum.