Thursday, 12 June 2014 14:35

C7-13: COLLISIONS OF BALLS - GRADUATED MASSES

• ID Code: C7-13
• Purpose: Demonstrate how the velocity is multiplied by a sequence of collisions between balls of decreasing mass.
• Description: A ball of mass M moving with velocity V strikes a ball of mass m (less than M) initially at rest. For an elastic collision the velocity v with which the lighter ball leaves the scene will be v = 2VM/(M+m). This device has a series of balls, with masses in the same geometric ratio, to provide a velocity multiplication of about 16 from the biggest to the smallest. Click your mouse on the photograph to see a slow-motion video of the action.
• Availability: Temporarily Out For Repair
• Loc codes: C7
• C7-01: AIR TRACK - ELASTIC COLLISIONS

Demonstrate conservation of energy and conservation of momentum in elastic collisions Read More
• C7-02: AIR TRACK -INELASTIC COLLISIONS

Demonstrate conservation of momentum in elastic collisions Read More
• C7-03: AIR TRACK - SCATTERING WITHOUT CONTACT

Show that elastic scattering can occur between two objects without actual physical contact between the objects Read More
• C7-04: AIR TRACK - COLLISION VELOCITY MULTIPLIER

Illustrate velocity multiplication with a three-to-one mass ratio collision Read More
• C7-11: COLLISIONS OF BALLS - EQUAL MASSES

Demonstrates conservation of energy and conservation of linear momentum in multiple elastic collisions Read More
• C7-12: COLLISION OF BALLS - ONE LIGHTER MASS

Show what happens when one mass in a collision ball set is different from the others Read More
• C7-13: COLLISIONS OF BALLS - GRADUATED MASSES

Demonstrate how the velocity is multiplied by a sequence of collisions between balls of decreasing mass Read More
• C7-14: COLLISIONS OF BALLS WITH FLOOR

Illustrate collisions of different balls with the floor Read More
• C7-15 COLLISIONS OF BALLS - 3 TO 1 MASS RATIO

Shows velocity multiplication in colliding balls Read More
• C7-16: HAPPY AND UNHAPPY BALLS

Illustrate coefficient of restitution Read More
• C7-17 SUPERBALL

Illustrates nearly elastic collisions Read More
• C7-18 COLLISIONS OF BALLS - ASTROBLASTER

Shows velocity multiplication in colliding balls Read More
• C7-19: GAUSSIAN GUN

Demonstrate transfer of energy in an elastic collision Read More
• C7-21: ENERGY AND MOMENTUM - COLLISION AND PROJECTILE

Illustrate conservation of momentum and conservation of energy Read More

• C7-24: SILLY PUTTY

Show collisions with an unusual material Read More
• C7-25: SUPERBALL, VACUUM MUD AND WOOD BLOCK COLLISIONS

Show that a larger impulse is imparted by an elastic collision Read More

• C7-42: AIR TABLE - COLLISIONS OF PUCKS

Qualitatively demonstrate elastic and inelastic two-dimensional collisions Read More
• C7-43: AIR TABLE - SMALL - COLLISIONS OF PUCKS

Demonstrate collisions of pucks on an air table in rooms not accessible by the large air table Read More