Physics, 22.11.2020 07:30 dhgdzfbzdf6765
Brody and Ethel are arguing about waves. Brody says that waving his hand back and forth is a scientific wave. Ethel says that it is not. Which statement best describes who is correct? Brody is correct because the wave involves an input of energy. Ethel is correct because energy is not carried from one place to another. Brody is correct because the pattern repeats. Ethel is correct because the motion has no pattern.
Answers: 3
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Dalton’s model of an atom is the best described as a) a solar system b) a solid sphere c) a cloud d) a scoop of chocolate chip ice cream
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The of a machine determines its "usefulness." a. input force b. output force c. mechanical advantage
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Chemical energy is a form of energy. a. heat b. kinetic c. potential d. electromagnetic
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You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
Answers: 2
Brody and Ethel are arguing about waves. Brody says that waving his hand back and forth is a scienti...
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