Physics, 26.12.2021 08:10 kingofthesea88
What percent of efficiency does a coal-fired electrical generator strive for?
Answers: 3
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As you are trying to move a heavy box of mass m, you realize that it is too heavy for you to lift by yourself. there is no one around to , so you attach an ideal pulley to the box and a massless rope to the ceiling, which you wrap around the pulley. you pull up on the rope to lift the box. use g for the magnitude of the acceleration due to gravity and neglect friction forces. once you have pulled hard enough to start the box moving upward, what is the magnitude f of the upward force you must apply to the rope to start raising the box with constant velocity? express the magnitude of the force in terms of m, the mass of the box.
Answers: 1
Physics, 22.06.2019 21:50
Which component is used to measure the current in a circuit? oa. switch ob. resistor oc. ammeter the answer is c. for y’all plato people
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Physics, 22.06.2019 23:00
In which of these cases are the two wave points considered to be in phase with each other?
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Physics, 23.06.2019 02:00
How does the formation of intrusive and extrusive igneous rocks differ?
Answers: 3
What percent of efficiency does a coal-fired electrical generator strive for?...
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