Exit Check 4.4 - Momentum Calculations

4.4.1

A baseball with a mass of 0.14kg is moving at a velocity of 40 m/s. How much momentum does it have?

4.4.1

A bowling ball with 500 kg*m/s of momentum is moving at 50 m/s. How much mass does it have?

4.4.1

A truck with a mass of 2,000kg is moving with a momentum of 15,000 kg*m/s. How fast does it need to be moving to have this much momentum?

4.4.2

If two objects are traveling with the same momentum but one is going faster, which of the following must be true of the faster car?

4.4.2

Would it be smarter to choose to catch a bowling ball or a tennis ball traveling at 15 m/s.

4.4.2

If two objects are traveling with the same momentum but one has more mass, Which of the following describes the motion of the object with more mass?

4.4.2

What happens to the momentum of a car if the velocity of the car decreases?

4.4.1

A 10-kg toy truck moves at 5 m/s East. It collides head-on with a 5-kg toy car moving 10 m/s moving West. The momentum of the east (right)-bound toy truck is ​ (a)   . The momentum of the west (left)-bound toy truck is ​ (b)   . The total momentum when the trucks collide is ​ (c)   .

4.4.1

A 30,000 kg train car moving at 8 m/s collides and combines with an identical, stationary train car, causing the mass to double. What is the velocity of the two cars together after the collision?

4.4.2

A person on a stationary skateboard throws a bowling ball with a velocity of -5.0 m/s. The person has an opposite but equal momentum and has more mass than the ball. Which of the following is a possible velocity for the person on the skateboard?