Physics, 15.12.2020 23:40 aprilpendergrass
A magician quickly pulls on a tablecloth and the items remain in place. Why does this happen
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Which sound characteristic is not affected by the relative motion of an object
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Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?
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Physics, 22.06.2019 17:00
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 roomโs 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 astronautโs hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?
Answers: 1
Physics, 22.06.2019 21:10
Two masses are connected by a rope that hangs over a pulley as shown below. the pulley is a uniform cylinder of radius ํ
=0.381meters and mass ํ=3.1ํํ. initially ํ"is on the ground and ํ#rests 2.5 meters above the ground. if the system is released, use conservation of energy to determine the speed of ํ#just before it strikes the ground. assume the pulley bearing is frictionless.
Answers: 2
A magician quickly pulls on a tablecloth and the items remain in place. Why does this happen...
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