Lt 5.4 - Conservation of Momentum

The total momentum before a collision is _________ the total momentum after a collision.

• equal to 

• less than 

• more than

• It depends on the type of collision

Tags

NGSS.HS-PS2-2

Before the canon fires a cannon ball, both sit at rest. A person can confidently say the total momentum is...

• zero

• non-zero

Tags

NGSS.HS-PS2-2

A 60 kg basketball player stands still to catch a ball. The player catches the 0.15 kg ball flying horizontally at a velocity of 34 m/s. What is the player’s velocity immediately after catching and holding onto the ball?

• 0.15 m/s

• 0.085 m/s

• -0.085 m/s

• -0.15 m/s

Tags

NGSS.HS-PS2-2

What is the the total momentum of the red and blue ball before the collision?

• 16 kg m/s

• 32 kg m/s

• 2 kg m/s

• 6 kg m/s

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

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

The total momentum before a collision is _________ the total momentum after a collision.

• equal to 

• less than 

• more than

• It depends on the type of collision

The recoil speed of a rifle is much less than the exit velocity of a bullet because...

• the rifle experiences a smaller force

• the rifle experiences a smaller change in momentum

• the rifle has a much greater mass

• the rifle does not obey the laws of physics

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

Two skaters begin at rest. Skater 1 has a smaller mass than Skater 2. After they push off each other,...

• Skater 1 experiences a greater change in momentum

• Skater 2 experiences a greater change in momentum

• Skater 1 has a greater velocity than Skater 2

• Skater 1 experiences a greater force

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

A person is standing on roller blades is holding a heavy medicine ball. If he throws the medicine ball horizontally to the right, what will be his resulting motion?

• to the right

• to the left

• backward

• no motion

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2