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A superball or power ball is a bouncy ball composed of a type of synthetic rubber (originally a hard elastomer polybutadiene alloy named Zectron) invented in 1964, which has a higher coefficient of restitution (0.92) than older balls such as the Spaldeen so that when dropped from a moderate height onto a level hard surface, it will bounce nearly all the way back up.
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A Super Ball containing particles of glitter, resting on a base. The translucent rubber has yellowed with age. A Super Ball or Superball is a toy bouncy ball based on a type of synthetic rubber invented in 1964 by chemist Norman Stingley.
1. Bop-It. Bop-It has a lot of things going on for the listener that are pretty close to insufferable. For starters, every sound effect this game makes is cartoonish and insane.
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The forces acting on a spinning ball during its flight are the gravitational force (F G), the drag force (F D), the Magnus force (F M), and the buoyant force (F B).. The motion of a bouncing ball obeys projectile motion.
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Federal law enforcement and intelligence agencies had warned local police agencies about potential vehicle-ramming attacks before the holidays. [1] [2] In a 2017 memo, the city government also noted the risks of a mass casualty incident, including from a vehicle attack in the French Quarter, and it had plans to increase security in the area. [3]