Momentum and Acceleration

What is the average acceleration of an object that takes 10 seconds to change from 40 m/s to 50 m/s?

• 10 m/s/s

• 1 m/s/s

• 5 m/s/s

• 4 m/s/s

What is the acceleration of an object that accelerates from 50 m/s to 150 m/s in 10 seconds?

• 100 m/s/s

• 10 m/s/s

• 50 m/s/s

• 5 m/s/s

Momentum = mass x velocity A bowling ball has a mass of 12 kg. The bowler throws it down the alley with a velocity of 12 m/s. What is the momentum of the ball as it hits the pins?

• 144 kg/m/s

• 144 kg

• 1 kg/m/s

• 1 kg

Tags

NGSS.HS-PS2-2

A motorcycle rider increases his speed from 25 m/s to to 55 m/s in 10 seconds. What was its rate of acceleration?

• 11 m/s²

• 30 m/s²

• 10 m/s

• 3 m/s²

Momentum = mass x velocity

How much momentum does a 4 kg object have when it is traveling at a velocity of 23 m/s?

• 5.75 kg/m/s

• 92 kg/m/s

• 0.17 kg/m/s

• 27 kg/m/s

Jack and Linda are arguing about a merry-go-round.  Jack said that the merry-go-round was accelerating.  Linda said that it was traveling at a constant velocity.  Who is correct?

• Linda

• Jack

• Both Linda and Jack

• Neither Linda or Jack

Tags

NGSS.MS-PS2-2

What do all 4 graphs have in common?

• The objects are traveling at a constant speed.

• The objects are traveling at the same speed.

• The objects are all accelerating.

• The objects have nothing in common.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

The greatest momentum would be

• a 20 kg object traveling at 5 m/s/s

• a 10 kg object traveling at 50 m/s/s

• a 20 kg object traveling at 5 m/s

• a 10 kg object traveling at 50 m/s

Tags

NGSS.HS-PS2-2

Which object listed below has the greatest momentum?

• 0.05 kg object rolling at 0.2 m/s.

• 0.15 kg object rolling at 2 m/s.

• 0.15 kg object rolling at 1 m/s

• 0.4 kg object rolling at 2 m/s.

Which two quantities are needed to calculate momentum?

​ ​ (a)  

• mass & velocity

• force & velocity

• force & time

• mass & time

• force & acceleration

Tags

NGSS.MS-PS3-1