# Linear Momentum

## C7-19: GAUSSIAN GUN

Category: C7 Collisions
Purpose: Demonstrate transfer of energy in an elastic collision

## D1-32: TRAJECTORY FROM CIRCULAR ORBIT

Purpose: Show that the instantaneous velocity of an object executing uniform circular motion is tangent to the circle.

## D1-31: TRAJECTORY FROM SPIRAL

Purpose: Show that forces are required to create circular motion.

## D1-30: TRAJECTORY FROM CIRCULAR ORBIT - OVERHEAD PROJECTOR

Purpose: Show that the instantaneous velocity of an object executing uniform circular motion is tangent to the circle.

## C7-53: AIR TRACK - SPEED OF AIR GUN PELLET

Category: C7 Collisions
Purpose: Determine the speed of an air gun pellet using conservation of momentum in an inelastic collision.

## C7-52: BALLISTIC PENDULUM - LABORATORY MODEL

Category: C7 Collisions
Purpose: Demonstrate operation of the standard laboratory type ballistic pendulum.

## C7-51: BALLISTIC PENDULUM - PELLET GUN

Category: C7 Collisions
Purpose: Determine the speed of an air gun pellet using a ballistic pendulum.

## C7-44: COLLISIONS - HOVERPUCKS

Category: C7 Collisions
Purpose: Demonstrate two-dimensional collisions.

## C7-43: AIR TABLE - SMALL - COLLISIONS OF PUCKS

Category: C7 Collisions
Purpose: Demonstrate collisions of pucks on an air table in rooms not accessible by the large air table.

## C7-42: AIR TABLE - COLLISIONS OF PUCKS

Category: C7 Collisions
Purpose: Qualitatively demonstrate elastic and inelastic two-dimensional collisions.

## C7-26: BOUNCING PUTTY AND NON-BOUNCING SUPERBALL

Category: C7 Collisions
Purpose: Show unusual collisions.

## C7-25: SUPERBALL, VACUUM MUD AND WOOD BLOCK COLLISIONS

Category: C7 Collisions
Purpose: Show that a larger impulse is imparted by an elastic collision.

## C7-21: ENERGY AND MOMENTUM - COLLISION AND PROJECTILE

Category: C7 Collisions
Purpose: Illustrate conservation of momentum and conservation of energy.

## C7-16: HAPPY AND UNHAPPY BALLS

Category: C7 Collisions
Purpose: Illustrate coefficient of restitution.

## C7-14: COLLISIONS OF BALLS WITH FLOOR

Category: C7 Collisions
Purpose: Illustrate collisions of different balls with the floor.

## C7-13: COLLISIONS OF BALLS - GRADUATED MASSES

Category: C7 Collisions
Purpose: Demonstrate how the velocity is multiplied by a sequence of collisions between balls of decreasing mass.

## C7-12: COLLISION OF BALLS - ONE LIGHTER MASS

Category: C7 Collisions
Purpose: Show what happens when one mass in a collision ball set is different from the others.

## C7-04: AIR TRACK - COLLISION VELOCITY MULTIPLIER

Category: C7 Collisions
Purpose: Illustrate velocity multiplication with a three-to-one mass ratio collision.

## C7-03: AIR TRACK - SCATTERING WITHOUT CONTACT

Category: C7 Collisions
Purpose: Show that elastic scattering can occur between two objects without actual physical contact between the objects.

## C7-02: AIR TRACK -INELASTIC COLLISIONS

Category: C7 Collisions
Purpose: Demonstrate conservation of momentum in elastic collisions.
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