Happy and Unhappy Balls

Supplier: NADA SCIENTIFIC LTD.

Happy and Unhappy Balls

Happy and Unhappy Balls

N99-P70-3840-01

470135-324KT 10.6 USD

470135-324

Happy and Unhappy Balls

Educational Materials Physics Educational Materials Mechanics Learning Activities

These balls are the real deal: vivid contrast between elastic and inelastic collisions.

Set of two balls, 25 mm (1") Ø
Elastic ball: Polychloroprene (neoprene rubber)
Inelastic ball: Polynorbornene (norsorex rubber)

These fantastic rubber balls may look the same, but they behave very differently upon impact with a solid surface. The 'Happy' ball stores very little energy in collisions and bounces well. The 'Unhappy' ball stores and transforms most of its kinetic energy and doesn't bounce. These balls are used to conduct experiments in discrepant event science, polymerization, and the coefficients of friction and restitution. This is a great aid for every momentum and collision study, or use the balls to demonstrate key points of kinetic molecular theory in gases. A must-have for chemistry and physics classrooms everywhere!

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