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5 cards from this section. Quick, good the night before a test.
What is energy?
Think about how things move or change.
What unit is used to measure energy in the SI system?
Remember the standard unit for measuring energy.
What is the SI unit of energy?
Think about the unit used in scientific calculations.
True or False: Energy can be created and destroyed.
Consider the law that deals with energy transformations.
If a rock at a height of 10 meters has a potential energy of 200 J, what is its mass?
Remember to rearrange the formula correctly.
A moving car has a kinetic energy of 3000 J. If its mass is 1500 kg, what is its speed?
Don't forget to rearrange the kinetic energy formula properly.
7 more questions in this section. Enroll free to practise them all.
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