Momentum

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

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

• 20000 N

• 20000 Joules

• 20000 Kg * m/s

• 20000 m/s north

The definition of momentum is

• Mass in Motion
• The size of an object
• The velocity of an object
• A comparison between two objects

Tags

NGSS.HS-PS2-2

The equation to calculate momentum is

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

Tags

NGSS.HS-PS2-2

In any collision (crash) the ______ is ALWAYS constant

• Total Momentum

• total speed

• total Velocity

• Energy

A 9 kg blob moves at 5 m/s, calculate the momentum.

• 1.8 kg^.m/s

• 45 kg^.m/s

• 0.6 kg^.m/s

• 14 kg^.m/s

A 9300 kg railroad car is traveling at a velocity of 5 m/s, calculate the momentum.

• 1860 kg^.m/s

• 46,500 kg^.m/s

• 46,500 m/s

• 1860 m/s

A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?

• 14.4 kg

• 1400 kg

• 144 kg

• 3600 kg

When the speed of an object is doubled, its momentum

• remains unchanged in accord with the conservation of momentum.
• doubles
• quadruples
• decreases

Tags

NGSS.HS-PS2-2

A very large truck is parked on the side of the street. It has a mass of 25000 kg. How much momentum does the truck have?

• 0 kg^.m/s

• 25000 kg^.m/s

• 4.6 m/s

• 7.1 m/s