# data[].attributes.body
energy cannot be destroyed or created

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Energy can neither be created nor destroyed, it can only be transformed from one form to another

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The energy cannot be created or destroyed. It can transferred from one energy store to another. The total amount of energy in the system before and after a process must be the same.

# data[].attributes.body
Energy cannot be created or destroyed, it can only be stored or transferred.

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Energy is not created nor destroyed but transferred from 1 energy store to another energy store.The total amount of energy in the system before and after the process is the same

# data[].attributes.body
1. Chemical energy transfer to kinetic energy.

2. Kinetic energy transfers to gravitational potential energy.

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Sound energy

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Chemical energy to kinetic energy

Kinetic energy to gravitational potential energy.

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Heat energy

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1. kinetic

2. GPE

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thermal energy

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Thermal energy

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i) elastic

ii) elastic, kinetic

iii) kinetic thermal

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The amount of energy gained by block A is equals to the amount f energy gained by block B

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Student can pull rubber band and ball more

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energy cant be destroyed or created only converted

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can't destroy energy and can't make energy

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Gravitational potential energy

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kinetic and grav potential energy

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Gravitational Potential energy

Kinetic energy

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Sound Energy

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its the same amount of energy

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Kinetic energy

Chemical energy

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Increase the distance

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1. GEP transfers to kinetic energy

2. ?electrical energy

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This is because some energy was wasted like thermal energy

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The amount of energy gained by both blocks are even.

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Because there will be wasted energy when carrying Block A such as sound energy and thermal energy

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1.kenetic energy

2.chemical energy

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1. R 0.4

2. Q 0

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The motor produces more wasted energy like sound energy and thermal energy which is lost as it is not used.

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heat energy

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1. the Chemical energy transfers to the Heat energy

2. the kinetic energy transfers to the electrostatic potential energy

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Gravitational potential energy

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Because there will be energy lose due to friction, thermal, sound energy so the input have to be more than energy gained by block a

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The energy is forced to be dissipated into its surroundings as it is slowing down in speed.

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the energy can't be created or destroyed, but transferred from one energy store to another.

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Gravitational potential energy

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1. Elastic

2. gravitational friction（？）

3. Kinetic thermal

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1. Thermal energy

2. Chemical energy

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It is converted to friction/thermal energy to stop the car from moving

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Kinetic energy transfers to the heat energy by the process The friction by four wheels

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The equipment gains elastic potential energy and after that it gains elastic energy as it is being stretched.

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because some energies such as sound energy and thermal energy will be dissipated by motor surroundings while lift block A which means energy is wasted.

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Same

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Thermal energy transfer to chemical

chemical energy transfer to electrical energy

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Thermal energy to chemical energy

Chemical energy to electric energy

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1. chemical -> thermal

2. thermal -> kinetic

3. kinetic -> electrical

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Chemical energy--->kinetic energy

Kinetic energy--->elastic potential energy