Momentum and Impulse

The amount of momentum an object has depends on its....(pick 2 answers)

• color

• mass

• velocity

• position

Tags

NGSS.HS-PS2-2

What is the momentum of a bicycle with a mass of 25 kg traveling at a velocity of 2 m/s

• 50 kg.m/s

• 12.5 kg.m/s

• 100 kg.m/s

• 0.08 kg.m/s

A truck traveling at a velocity of 10 m/s has a momentum of 20,000 kg.m/s. What is the mass of the truck?

• 200,000 kg.m/s

• 2,000 kg.m/s

• 200 kg.m/s

• 20 kg.m/s

Which has more momentum, a 3000 kg pickup truck moving at a speed of 10 m/s or a 500 kg Toyota Yaris moving at a speed of 60 m/s?

• The pickup truck

• The Toyota Yaris

• They both have the same momentum

• Neither has any momentum

Tags

NGSS.HS-PS2-2

What is the momentum of a 80 kg basketball player running at a velocity of -3 m/s?

• -80 kg.m/s

• +80 kg.m/s

• -240 kg.m/s

• +240 kg.m/s

To change the momentum of an object, a ____________ must be applied to it for a given period of ________.

• time, force

• mass, velocity

• force, time

• mass, time

Tags

NGSS.HS-PS2-1

Change in momentum is also known as..

• static

• impulse

• velocity change

• inertia

Tags

NGSS.HS-PS2-2

What is the impulse if a 100 N force acts on an object for 0.1 seconds?

• 100 N.s

• 1000 N.s

• 1 N.s

• 10 N.s

A 10 kg bowling ball experiences an impulse of 260 N.s. What is the change in momentum of the ball?

• 260 kg.m/s

• 26 kg.m/s

• 2600 kg.m/s

• 2.6 kg.m/s

The momentum-impulse equation is applied in creating many life saving devices such as air bags. The idea is that by increasing the time over which the momentum change occurs, the __________ experienced is decreased by a lot.

• mass

• velocity

• force

• acceleration