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Which example best illustrates a change from elastic potential energy to kinetic energy?
A ball dropped from a height transforms its stored elastic potential energy due to gravity into kinetic energy as it accelerates downward.
What type of energy transforms when a ball rolling off a table top and bouncing on floor until it stops?
The potential energy of the ball (due to its position on the table) transforms into kinetic energy as it rolls off the table and falls. When the ball hits the floor, some of the kinetic energy transforms into elastic potential energy as the ball compresses and then rebounds. Finally, friction and air resistance gradually dissipate the ball's kinetic energy into thermal energy, causing it to stop.
Is kinetic energy conserved in an elastic collision?
Yes, kinetic energy is conserved in an elastic collision, meaning the total kinetic energy before the collision is equal to the total kinetic energy after the collision.
What forms of energy are in stretched elastic?
In stretched elastic, the primary forms of energy present are elastic potential energy, which is the energy stored in the elastic material due to its deformation, and kinetic energy, if the elastic material is moving.
Is elastic energy the total potential and kinetic energy in a system?
Elastic energy specifically refers to the potential energy stored in an elastic material when it is stretched or compressed. It does not include kinetic energy, which is the energy of motion. In a system, the total energy would be the sum of both potential and kinetic energy.
