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A car travels first 10 km in 20 minutes and another 10 km in 30 minutes. What is the average speed of the car in m/s?
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Do you agree with scientist’s prediction about the warming of alaska and other polar regions?
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Acompound machine is also called a machine. a. force b. simple c. complex d. directional
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Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance
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In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
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A car travels first 10 km in 20 minutes and another 10 km in 30 minutes. What is the average speed o...
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