THIS IS JEOPARDY

With Your Host... Ms. Allen

Terms Concepts Collisions Conservation Units Math 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500

Mass is motion refers to _____.

Momentum A 100

A force acting over a period of time is called _____.

Impulse A 200

The type of collision that produces no heat is called _____.

Elastic collision A 300

The change in velocity of an object due to a force acting over a period of time is called ______.

Acceleration A 400

The negative velocity of an object due to an explosion is called the _____velocity.

recoil A 500

For impulse, the relationship between force and time is ______.

Indirect B 100

Momentum is a ______quantity. B 200

Vector B 200

When an object has a negative momentum, it’s __________ has changed.

Direction B 300

A stationary bomb explodes into tiny fragments A stationary bomb explodes into tiny fragments. After the explosion, the combined momenta of all the fragments is equal to _______ . B 400

Zero B 400

After the collision, the velocity of the car ________________. B 500

Decreases B 500

Name two types of collisions that occur between objects.

Elastic and inelastic C 100

In which type of collision do objects stick together after they collide?

Inelastic C 200

When objects bounce and all momentum and energy is conserved, the bounce is called _______ ________ (2 words) C 300

Perfectly elastic C 300

DAILY DOUBLE DAILY DOUBLE Place A Wager C 400

Use the terms greater than, less than, or equal to to fill in the blanks below: If a truck runs into an insect on the highway, the force on the truck is ______ the force on the bug, the momentum on the truck is _____the momentum of the bug, and the velocity change of the truck is ______the velocity change of the bug. C 400

Equal to, equal to, less than C 400

A yellow bumper car moving east at 5 m/s runs into a red bumper car moving west with equal velocity. After the collision, the momentum of the red bumper car is _______. C 500

-5.0 m/s C 500

The law of conservation of momentum is most closely tied to which of Newton’s Laws?

Third law D 100

True of False The velocity of an object before a collision is always less than the velocity after the collision D 200

False D 200

During a collision the momentum lost by one object is _________ by the second object.

gained D 300

True or False: The Law of Conservation of Momentum only holds true in an isolated system . D 400

True D 400

Name three types of waves found on the electromagnetic spectrum.

D D 500

What is the unit for momentum?

Kg-m/s E 100

What is the unit for force?

Newton E 200

What is the unit for Impulse?

Newton-second (N-s) E 300

What is the unit for change in momentum?

Kg-m/s E 400

What is the unit for acceleration?

m/s2 E 500

What is the equation for calculating momentum?

P=mv F 100

A ball with a momentum of 4 A ball with a momentum of 4.0 kg•m/s hits a wall and bounces straight back without losing any kinetic energy. What is the final momentum of the ball? F 200

- 4 kg-m/s F 200

A freight car of mass 20,000 kg moves along a frictionless level railroad track with a constant speed of 15 m/s. What is the momentum of the car? F 300

300,000 kg-m/s F 300

A loaded freight car A with a mass of 24,000 kg moves at a constant velocity of 8 m/s on a horizontal railroad track and collides with an empty stationary car B with a mass of 8,000 kg. After the collision the cars stick to each other and moves like one object. What is the velocity of two cars after the collision? F 400

6 m/s F 400

A stationary skateboarder I with a mass of 50 kg pushes a stationary skateboarder II with a mass of 75 kg. After the push the skateboarder II moves with a velocity of 2 m/s to the right. What is the velocity of the skateboarder I? Give magnitude and direction. F 500

3 m/s, left F 500