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Questions and Answers
According to Newton's second law, the net force on an object is equal to its mass times its acceleration.
According to Newton's second law, the net force on an object is equal to its mass times its acceleration.
- False
- True (correct)
What is momentum?
What is momentum?
- The net force on an object
- The change in mass times velocity over time
- The derivative of mass times velocity with respect to time
- The quantity of motion of an object (correct)
What qualities need to be taken into account to understand collisions?
What qualities need to be taken into account to understand collisions?
- Mass and acceleration
- Force and time
- Mass and velocity
- Momentum and impulse (correct)
Which of the following best describes a perfectly inelastic collision?
Which of the following best describes a perfectly inelastic collision?
What is the center of mass?
What is the center of mass?
How can the center of mass be calculated?
How can the center of mass be calculated?
Which of the following best describes momentum?
Which of the following best describes momentum?
Which of the following is true about elastic collisions?
Which of the following is true about elastic collisions?
What is impulse?
What is impulse?
According to the information given, what is the position of the center of mass of the system?
According to the information given, what is the position of the center of mass of the system?
What is the mass of the 4 kilogram ball?
What is the mass of the 4 kilogram ball?
What is the mass of the 2 kilogram ball?
What is the mass of the 2 kilogram ball?
What is the position of the 4 kilogram ball?
What is the position of the 4 kilogram ball?
What is the total mass of the system?
What is the total mass of the system?
What is the sum of the masses times their positions for the system?
What is the sum of the masses times their positions for the system?
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