Momentum worksheet Part 2

2. A football punter accelerates a 0.55 kg football from rest to a speed of 28 m/s. The time his foot is in contact with the ball is 0.25 seconds. What force does the punter exert on the ball? Choose the correct equation.

• 1a
• 1b
• 2a
• 3a
• 3b

Tags

NGSS.HS-PS2-1

2. A football punter accelerates a 0.55 kg football from rest to a speed of 28 m/s. The time his foot is in contact with the ball is 0.25 seconds. What force does the punter exert on the ball?

Mathematical Equivalence

ON

Tags

NGSS.HS-PS2-1

3. A tennis ball may leave the racket of a top player on the serve with a speed of 65 m/s (consider the ball at rest before it hits the racket.) If the ball’s mass is 0.02 kg and it is in contact with the racket for 0.03 seconds, what is the average force on the ball?

• 0 m/s

• vf
• 0.03 s

• F
• ?

• v0
• 65 m/s

• m
• 0.02 kg

• t

Tags

NGSS.HS-PS2-1

3. A tennis ball may leave the racket of a top player on the serve with a speed of 65 m/s (consider the ball at rest before it hits the racket.) If the ball’s mass is 0.02 kg and it is in contact with the racket for 0.03 seconds, what is the average force on the ball?

• 1a
• 1b
• 2a
• 3a
• 3b

Tags

NGSS.HS-PS2-1

3. A tennis ball may leave the racket of a top player on the serve with a speed of 65 m/s (consider the ball at rest before it hits the racket.) If the ball’s mass is 0.02 kg and it is in contact with the racket for 0.03 seconds, what is the average force on the ball?

Mathematical Equivalence

ON

Tags

NGSS.HS-PS2-1

4. A freight train moves due north with a speed of 8 m/s. The mass of the train is 6x106 kg. How fast would a 1500 kg automobile have to be moving due north to have the same momentum as the train?

• 1500 kg

• v (auto)
• 8 m/s

• m (auto)
• 6 x10^{6 kg}

• m (train)
• ?

• v (train

Tags

NGSS.HS-PS2-2

4. A freight train moves due north with a speed of 8 m/s. The mass of the train is 6x106 kg. How fast would a 1500 kg automobile have to be moving due north to have the same momentum as the train?

• 1a
• 1b
• 2a
• 3a
• 3b

Tags

NGSS.HS-PS2-2

4. A freight train moves due north with a speed of 8 m/s. The mass of the train is 6x106 kg. How fast would a 1500 kg automobile have to be moving due north to have the same momentum as the train?

Mathematical Equivalence

ON

Tags

NGSS.HS-PS2-2

5. Two men pushing a stalled car generate a net force of 840 N for 5 seconds. What is the final momentum of the car?

• 0 Ns

• pi
• 840 N

• pf
• 5 s

• t
• ?

• F

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

5. Two men pushing a stalled car generate a net force of 840 N for 5 seconds. What is the final momentum of the car?

• 1a
• 1b
• 2a
• 3a
• 3b

Answer explanation

Ft = mΔv and Δp = mΔv, therefore Ft = Δp

Tags

NGSS.HS-PS2-2