Lasers can now be designed to emit pulses of light smaller than 30 microns wide in their direction of motion. (a) estimate the uncertainty in the momentum ofa photon in such a pulse. (b) the momcntum ofa photon is p = ii ia. estimate the uncertainty in the wavelength ofa photon in the pulse, assuming a nominal wavelength of800 nl11.
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This chart shows characteristics of three different types of atoms. which statement is best supported by the information in the chart? atom x will donate electrons to atom y. atom x will accept electrons from atom y. atom y will accept electrons from atom z. atom z will donate electrons to atom x.
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Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question
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Physics, 22.06.2019 19:30
Acamcorder has a power rating of 20 watts. if the output voltage from its battery is 9 volts, what current does it use?
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Lasers can now be designed to emit pulses of light smaller than 30 microns wide in their direction o...
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