Checking Up 1. When a spring scale is used to do work pulling a cart to the top of an incline, where has the energy gone when the cart is at rest at the top? 2. Where does the roller coaster get its gravitational potential energy when it is at the top of the first hill? 3. Why do truckers use a ramp when loading a truck if the work required is the same with or without a ramp?
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Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.
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Physics, 22.06.2019 17:00
Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.
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Physics, 23.06.2019 00:30
What practical value did astronomy offer to ancient civilizations?
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Checking Up 1. When a spring scale is used to do work pulling a cart to the top of an incline, where...
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