Linear Momentum

Which of the following has the greatest momentum?

• a scurrying cockroach

• a parked semi-truck

• more information is needed

Tags

NGSS.HS-PS2-2

In an elastic collision, ______ is conserved.

• Momentum only

• Kinetic Energy only

• Both momentum and energy

Tags

NGSS.HS-PS2-2

In a perfectly inelastic collision, ______ is conserved. 

• Momentum only

• Kinetic Energy only

• Both momentum and kinetic energy

Tags

NGSS.HS-PS2-2

If two objects have the same mass, then the faster moving object has ____________ momentum.

• more 

• less

• the same

Tags

NGSS.HS-PS2-2

Which of the following statements describes momentum?

• Momentum is the result of an object's weight and speed.

• Momentum is the square root of an object's mass.

• Momentum is inversely proportional to an object's velocity.

• Momentum is the product of an object's mass and velocity.

Tags

NGSS.HS-PS2-2

What is the momentum of the two cars after collision if its momentum before collision is 50 kgm/s?

• 50 kgm/s

• 25 kgm/s

• 100 kgm/s

• 75 kgm/s

Tags

NGSS.HS-PS2-2

Calculate the momentum of a car, which has a mass of 1000 kg and moves with a velocity of 20 m/s.

• 500 kgm/s

• 10, 020 kgm/s

• 20000 kgm/s

• 99 980 kg m/s

Tags

NGSS.HS-PS2-2

Two objects with a total mass of 20 kg has an initial momentum of 100 kg∙m/s. If the masses stick together after the collision, what is the final velocity of the masses?

• 1 m/s

• 5 m/s

• 50 m/s

• 100 m/s

Tags

NGSS.HS-PS2-2

The Law of Conservation of Momentum states:

• The total momentum before a collision is equal to the total momentum after a collision.

• The total momentum before a collision is greater than the total momentum after a collision.

• The total momentum before a collision is less than the total momentum after a collision.

• The total momentum before a collision is not related to the total momentum after a collision.

Tags

NGSS.HS-PS2-2

A mass has a momentum of 50 kg*m/s, when its velocity doubles what happens to its momentum?

• The momentum doubles.

• The momentum quadruples.

• The momentum is halved.

• The momentum stays the same.

Tags

NGSS.HS-PS2-2