Physics, 05.08.2019 20:30 rehooreh14
Aconvex mirror has a focal length of 15cm. if the object is 35cm from the mirror and is 2cm tall, what is the magnification? round your answer to one decimal place.
Answers: 1
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In a classical model of the hydrogen atom, the electron moves around the proton in a circular orbit of radius 0.053 nm. what is the electron's orbital frequency? what is the effective current of the electron?
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Physics, 23.06.2019 02:00
Frequency of electromagnetic waves that a radio station is assigned. what do you call this type of wave?
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Aweather balloon has a volume of 52.5 liters at a temperature of 252 k. the balloon is released and rises to an altitude where the temperature is 295 k. how does this temperature change affect the gas particle motion?
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Physics, 23.06.2019 03:30
Which statement is true? a) the work done to lift an object 6 meters is greater than the gravitational potential energy it gains. b) the work required to push an object is less than the work required to pull an object the same distance. c) the work required to raise an object to a height is equal to the gravitational potential energy the object gains. d) the work done against gravity to lift an object straight up is greater than the work required to roll it up a ramp.
Answers: 1
Aconvex mirror has a focal length of 15cm. if the object is 35cm from the mirror and is 2cm tall, wh...
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