Brandi poses as Lady Justice for a skit in her government class. She holds a set of scales above her head with her right hand and a sword by her side in her left hand. She holds the pose for 10 minutes. At the end of the skit, she mentions to her friend that it was a lot of work to pose and that her arms were really tired. Which best summarizes Brandi’s statement about doing work while posing? She did no work because she did not exert any forces on objects. She did more work using her right hand than her left because her right hand was higher. She did no work because she did not move the scales or sword while she posed. She did work the entire time she posed because she was tired at the end.
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Distinguish between a transverse wave and a longitudinal wave.
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Auniform electric field exists in the region between two oppositely charged plane parallel plates separated by a distance of 1.60 cm . a proton is released from rest at the surface of the positively charged plate and strikes the surface of the opposite plate in a time interval of 3.20×10-6 s. 1-find the magnitude of the electric field. use 1.60×10-19c for the magnitude of the charge on an electron and 1.67×10-27kg for the mass of a proton 2-find the speed of the proton when it strikes the negatively charged plate
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Energy conservation is the process by which one kind of energy changes into a another and when energy is converted this way it's not lost or used up. true or false
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Brandi poses as Lady Justice for a skit in her government class. She holds a set of scales above her...
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