Physics, 13.07.2019 12:00 scavalieri2421
An object is falling from a height of 7.5 meters. at what height will it’s velocity be 7 meters/second? a-49 meters b-7.5 meters c-7.0 meters d-5.0 meters e-2.5 meters
Answers: 1
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Identify the arrows that show the correct direction of heat transfer. 66°f 112°f 98°f
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Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?
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Gasoline comes from petroleum, which is made from ancient living things. petroleum, therefore, contains a type of energy. a. heat b. nuclear c. biological d. chemical potential
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Physics, 22.06.2019 18:00
Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.
Answers: 1
An object is falling from a height of 7.5 meters. at what height will it’s velocity be 7 meters/seco...
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