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An 80 kg runner has 3,000 J of kinetic energy. What is her velocity in m/s?
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If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
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Physics, 22.06.2019 17:00, agelafa
Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?
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Physics, 22.06.2019 17:30, herbal420medici
Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?
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Physics, 22.06.2019 19:30, VonneB1684
Which describes increasing the efficiency of energy resource
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An 80 kg runner has 3,000 J of kinetic energy. What is her velocity in m/s?...
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