Collisions

While playing pool, Emma notices that the pool balls bounce apart.  What type of collision is this?

• Elastic
• Inelastic
• Explosive
• Force

Tags

NGSS.HS-PS2-2

Jorge noticed a collision outside the coffee shop where two cars collided and stuck together.  What type of collision did he observe?

• Elastic
• Inelastic
• Completely inelastic
• none

Tags

NGSS.HS-PS2-2

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is kinetic energy?

• energy of work
• energy of motion
• energy of gravity
• energy of power

Tags

NGSS.HS-PS3-2

A large moving ball collides with a small stationary ball. The momentum

• of the large ball decreases, and the momentum of the small ball increases.

• of the small ball decreases, and the momentum of the large ball increases.

• of the large ball decreases, and the momentum of the small ball decreases.

• does not change for either ball.

Tags

NGSS.HS-PS2-2

Energy transfer is

• when an object is in motion.

• change energy from sound to heat sound.

• the movement of energy from object to another.

Tags

NGSS.HS-PS3-4

NGSS.HS-PS3-5

If 2 objects collide and stick together, what will happen to their velocities?

• velocities will increase
• velocities will decrease
• velocities will stay the same
• none of the above

Tags

NGSS.HS-PS2-2

When two objects of the same mass traveling at different speeds collide head on, both objects...

• stop moving.

• bounce backward and travel at their original speed.

• change direction and move at their original speed.

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

A 2.5 kg ball moving at 4.2 m/s collides with a 2.5 kg stationary ball. If the first ball is at rest after the collision, what is the velocity of the second ball? 

• 2.1 m/s
• 2.5 m/s
• 4.2 m/s
• 8.4 m/s

Tags

NGSS.HS-PS2-2

A 3,000 kg truck moving at +10 m/s hits a 1,000 kg parked car which moves off at +15 m/s. What is the velocity of the truck?

• 10 m/s
• 0 m/s
• 5 m/s
• 2 m/s

Tags

NGSS.HS-PS2-2