Physics, 01.08.2019 11:00 sandra5456
Aperson used a lever to lift a machine with 200 newtons of resistance force 0.2 meters. the person applied 150 newtons of effort force and pushed the end of the lever 0.5 meter. a. what is the work b. what is the work c. what is the efficency of the
Answers: 1
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Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?
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Does anyone know how to solve this problem? i really need . i made an attempt but i just cant get it. a metal rod is 25.000 cm long at 25.0 degrees celsius. when heated to 102.0 degrees celsius, it is 25.054 cm long. what is the coefficient of linear expansion for this metal.
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Discuss how the hardness or softness of the landing surface is related to the time required to stop the egg
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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?
Answers: 1
Aperson used a lever to lift a machine with 200 newtons of resistance force 0.2 meters. the person a...
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