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15
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The energy needed to ride a skateboard originally come from
The sun as radiant energy
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20
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Where is Katnes getting the energy to pull the bow
Light energy from the sun was turned into chemical energy in plants by photosynthesis, which was eaten and transfer into chemical energy in her body
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15
×
If a light bulb has the input energy of 100J and it produces 25J of heat, how much light energy is produced
75J
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baam
Lose 25 points!
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fairy
Take points!
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25
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gift
Win 25 points!
Okay!
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thief
Give points!
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25
15
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When heat energy is changed into heat energy there is an energy
Transfer
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25
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What type of energy has J-Hope got
Gravitational potential energy
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15
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State the Law of Conservation of Energy
Energy cannot be created or destroyed only transferred or transformed
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15
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Describe the energy transformation
Gravitational potential energy to kinetic energy with the waste energy of heat from friction
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15
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What object can transform light energy into electrical energy
Solar panel
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15
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Calculate the efficiency from the diagram - useful energy 10J and input energy 100J
10%
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15
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At the top of the roller coater the carts have 50J, how much kinetic energy will they have when they reach the bottom
50J
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20
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Calculate the potential energy if the mass of the object is 10kg, gravity is 10N and the height is 5m
500J
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banana
Go to last place!
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shark
Other team loses 25 points!
Okay!
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shark
Other team loses 25 points!
Okay!
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baam
Lose 25 points!
Oops!
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boom
Lose 50 points!
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shark
Other team loses 20 points!
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fairy
Take points!
5
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25
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thief
Give points!
5
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25
15
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What type of energy does the object have
Elastic potential energy
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15
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At the top of the roller coaster the carts have
Gravitational Potential energy
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