Hopetaft: Beach Ball Kinetic Energy

Beach Ball Kinetic Energy

This created a dense iron core. Grab a beach ball for a quick demonstration of motion energy.

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You can introduce your child to kinetic energy by slipping entertaining science activities into his day.

Beach ball kinetic energy. Add slightly more spin and the beach ball could easily have 01 j of ker. Start studying smith chapter 14 review hhms. When it returns to its original level after encountering air resistance its kinetic energy is.

The rotational kinetic energy of the earth. This is a similar shape to a beach ball resting on the ground being pushed on from above. Potential energy mass acceleration.

Energy totalku where u is potential energy. Time for the ball. There is still some potential energy though as long as it is not touching the ground.

When a firecracker explodes stored chemical energy turns into sound and light energy. Toddlers and preschoolers are prime examples of kinetic energy the energy of motion. A ball is projected into the air with 900 j of kinetic energy that is transformed to potential energy at the top of its trajectory.

I sketched this using notability on my ipad. Toss the beach ball to a student and say kinetic prompt the student to say potential allow students to toss the ball around a few times saying kinetic and potential at the right times. Learn vocabulary terms and more with flashcards games and other study tools.

Ask students to think pair share the meaning of potential energy and kinetic energy based on their experience with the beach ball. Actually if your comparing a motionless golf ball to a beach ball moving at any speed the beach ball will have higher kinetic energy. Since all tables have friction the marble will slow down as to rolls and lose some ke.

So as long as the ball has mass and is moving it has kinetic energy. As the planet formed the densest materials sank to the center of the earth. B the earth does not have uniform density.

Little ones are always on the move. In the example i calculated above i assumed that the radius of the beach ball was the same as the basketball so if the beach ball used is actually twice the radius of the basketball and the mass could also be 2 4x greater then the moment of inertia would be 4 8x greater than the one i calculated bringing the possible rotational kinetic energy to around 005 j. Which item will have the most kinetic energy.

Sketch a graph of velocity vs. The ball has mostly kinetic energy because it is in motion.

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