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when a bat bits a baseball, this is transferred from the bat to the ball

kinetic energy

as a baseball flies through the air after being hit, this is the type of energy it has

KE = mv/2

This is the formula for finding kinetic energy


a force that opposes motion between two surfaces that are touching

this happens when electrical energy is changed to thermal energy

energy converstion takes place

when you eat fruits and vegetables, which types of energy are you taking in

chemical energy

growing an apple tree

is a conversion from light energy to chemical energy

gravitational potential energy

the energy that is given to an object that is lifted


the ability to do work

light energy

the energy that is produced by vibrations of electrically charged particles

kinetic energy

the energy of motion

potential energy

the energy an object has because of its position

sound energy

the energy caused by an objects vibrations of electrically charged particles

mechanical energy

the total energy of motion and position of an object

thermal energy

all of the kinetic energy due to the random motion of the particles that make up an object

electrical energy

the energy of moving electrons


can measure the energy from the sun

when is the potential energy the greatest in a roller coaster

at the top of the first hill

after an energy conversion, you end up with the same total amount of energy as the original amount of potential energy. This law explains this rule

law of conservation

thermal energy

the original energy is converted any time an energy conversion takes place

energy effciency

is found when you compare the amount of energy before a conversion with the amount of energy present after a conversion

fossil fuels are considered

nonrenewable resources

electric generator

this converts kinetic enrgy into electrical energ

wind energy

this is a renewable resource.

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