Momentum

The equation to calculate momentum is

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

Tags

NGSS.HS-PS2-2

The momentum of an object depends upon the object's ___________&_____________.  

• size and shape
• mass and speed
• mass and veloctiy
• mass and energy

Tags

NGSS.HS-PS2-2

What is the momentum of a charging rhino?

• 2 × 10² kg⋅m/s
• 3 × 10² kg⋅m/s
• 2 × 10⁴ kg⋅m/s
• 3 × 10⁴ kg⋅m/s

Which object has the greatest momentum?

• Object A
• Object B
• Object C
• cannot be determined

Find the momentum of a 3.0 kg mass when it is stopped.

• 0 kg*m/s

• need to know the velocity

• 3.0 kg*m/s

• 9.8 kg * m/s

Which of the following correctly explains why less force is required to stop a person using an airbag?

• hitting the airbag decreases the person's momentum
• the airbag changes the person's momentum over a longer time interval
• the airbag is very soft, like a pillow
• decreasing the time of the impact decreases the force of the impact

Tags

NGSS.MS-PS3-5

a bat strikes a 0.05 kg baseball so that its velocity changes by +30 m/s in 0.1 s. With what average force was the ball struck?

• +15 N

• -15 N

• +300 N

• -300 N

• +150 N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

At what speed do the two blocks move after the collision?

• 2 m/s

• 5 m/s

• 10 m/s

Tags

NGSS.MS-PS2-1

When two objects collide, the Momentum_before is ____________ the Momentum_after.

• more than 
• less than 
• equal to
• unrelated to

Tags

NGSS.HS-PS2-2

Determine the momentum of 1000-kg car moving southward at 20 m/s......... 

• 20000 N
• 20000 Joules
• 20000 Kg * m/s south
• 10000 kg * m/s south

Tags

NGSS.HS-PS2-2