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Physics
transport
Question | Answer |
---|---|
What is potetial energy? | amount of energy an oblect has due to its vertical position |
what is the formula for potential energy | E=mgh |
What is the purpose of a seatbelt? | stops a passenger from continuing to travel forward at a constant speed, until the passenger hits something. (Acts as a backwards force) |
What is instantaneous speed? | speed of an object during one particular point in a jouurney |
how is it instantaneous speed measured? | light gate connected to an electronic timer |
What is average speed? | total distance divided by the total time |