Final Exam Momentum

The initial momentum of a 7kg bowling ball traveling toward the resting pins is +18 kg m/s. The final momentum of the 1.5 kg pin is +9 kg m/s. What is the speed of the pin after the ball strikes it?

• 1.3 m/s

• 6 m/s

• 12 m/s

• 2.1 m/s

Tags

NGSS.HS-PS2-2

The initial momentum of a 7kg bowling ball traveling toward the resting pins is +18 kg m/s. The final momentum of the 1.5 kg pin is +9 kg m/s. What is the speed of the bowling ball after it hits the pin?

• 1.3 m/s

• 2.6 m/s

• 1.6 m/s

• 12 m/s

Tags

NGSS.HS-PS2-2

The initial momentum of a bowling ball traveling toward the resting pins is +18 kg m/s. If the final momentum of the pins is +9 kg m/s, what is the final momentum of the bowling ball?

• 18 kg m/s

• 9 kg m/s

• 0 kg m/s

• 27 kg m/s

Tags

NGSS.HS-PS2-2

A 75kg soccer player runs rightward with a velocity of +1.5 m/s toward a 0.43 kg soccer ball at rest on the grass.

If the final speed of the soccer ball is +15 m/s, what is the final speed of the soccer player?

• 0 m/s

• +1.4 m/s

• +7 m/s

• +112.5 m/s

Tags

NGSS.HS-PS2-2

If the initial total momentum of a system is 245 kg m/s, what is the final total momentum of the system?

• 0 kg m/s

• 122.5 kg m/s

• 245 kg m/s

• it depends on the mass of the objects involved

Tags

NGSS.HS-PS2-2

If the initial momentum of a soccer ball is 0 kg m/s, and the initial momentum of a soccer player running toward the ball is 112.5 kg m/s. What is the initial momentum of the entire system?

• 0 kg m/s

• +1.5 kg m/s

• +75 kg m/s

• +112.5 kg m/s

Tags

NGSS.HS-PS2-2

A 75kg soccer player runs rightward with a velocity of +1.5 m/s toward a 0.43 kg soccer ball at rest on the grass. Whta is the initial momentum of the soccer ball?

• 0 kg m/s

• +1.5 kg m/s

• +75 kg m/s

• +112.5 kg m/s

Tags

NGSS.HS-PS2-2

A 75kg soccer player runs rightward with a velocity of +1.5 m/s toward a 0.43 kg soccer ball at rest on the grass.

What is the initial momentum of the soccer player?

• 0 kg m/s

• +1.5 kg m/s

• +75 kg m/s

• + 112.5 kg m/s

Tags

NGSS.HS-PS2-2

What is the mass of a tennis ball traveling with a velocity of 3 m/s and a momentum of 0.25 kg m/s?

• 0.08 kg

• 0.5 kg

• 9 kg

• 18 kg

Tags

NGSS.HS-PS2-2

What is the velocity of a 900 kg car with a momentum of 16,200 kg m/s east?

• 6 m/s east

• 18 m/s east

• 90 m/s east

• 162 m/s east

Tags

NGSS.HS-PS2-2