A 20-Kg Ball Moving Eastward at 3 $6.0 \mathrm{~kg}=\mathrm{m} / \mathrm{s}$

question 110

Multiple Choice

A 2.0-kg ball moving eastward at 3.0 m/s suddenly collides with and sticks to a 4.0-kg ball moving northward at 2.0 m/s. What is the magnitude of the momentum of this system just after the collision?

• A) \(6.0 \mathrm{~kg}=\mathrm{m} / \mathrm{s}\)
• B) \(8.0 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }\)
• C) \(10 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }\)
• D) \(14 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }\)
• E) \(2.0 \mathrm {~kg} \cdot \mathrm { m } / \mathrm { s }\)

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Definitions:

Self-control Resources

The psychological and emotional capacity of individuals to regulate their thoughts, emotions, and actions, especially in challenging situations.

Temptation

A desire to engage in short-term urges for enjoyment, which might conflict with long-term goals.

Empathy

The ability to understand and share the feelings of another person, showing an awareness and sensitivity to their emotional state.

Persist

To continue steadfastly or firmly in some state, purpose, course of action, or the pursuit of an objective, despite obstacles or difficulties.