Momentum Impulse Theorem

A dog runs at 7 m/s. If it has a mass of 10 kg, what momentum does it carry?

• 70 kg m/s

• 1.4 kg m/s

• 0.7 kg m/s

• 98 kg m/s

Tags

NGSS.HS-PS2-2

Amy Rose has a mass of 30 kg. If she was traveling at 50 m/s and slowed down to a stop, what change in momentum did she experience?

• 1500 kg m/s

• • -1500 kg m/s

• 1.7 kg m/s

• -1.7 kg m/s

Tags

NGSS.HS-PS2-2

A change in ​ (a)   is equal to an ​ (b)   .

• momentum

• impulse

• force

• velocity

Tags

NGSS.HS-PS2-2

Match the following term with the best definition or use.

• The inertia of motion.

• Impact Force

• The force during a collision.

• momentum

• m⋅Δv

• Δp

• FΔt = m Δv

• Impulse-Momentum Theorem

• t_imp

• The time through which an impact occurs.

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

Which of the following best describes impulse?

• The change in velocity of an object

• The change in momentum of an object

• The force applied to an object over a distance

• The energy transferred to an object

Tags

NGSS.HS-PS2-2

How does applying a larger force over a shorter time period affect the impulse delivered to an object?

• It decreases the impulse.

• It increases the impulse.

• It has no effect on the impulse.

• It changes the direction of the impulse.

Tags

NGSS.HS-PS2-1

A 0.2 kg ball is thrown with a velocity of 15 m/s. What is the impulse required to stop the ball?

• 3 Ns

• 0 Ns

• 15 Ns

• 30 Ns

Tags

NGSS.HS-PS2-2

What impulse is exerted by a 10,000 N rocket that launches across 1.2 seconds?

• 8,300 N s

• 12,000 N s

• 1,019 N s

• None of these.

Tags

NGSS.HS-PS2-1

Which factor is not involved in calculating the impulse of an object?

• Impact Force

• Mass

• Impact Time

• Two or more of these.

The cart’s change of momentum,\Delta p_x, is

• –20 kg m/s

• -10 kg m/s

• 0 kg m/s

• 10 kg m/s

• 30 kg m/s

Tags

NGSS.HS-PS2-2