Physics, 13.11.2020 18:50 madleneinejessup
If you were standing at the center of a circular wave what would you see in all directions?
a. waves moving away from you
b. waves moving towards you
c. waves moving across you
d. no movement at all
Answers: 2
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In a system, when potential energy decreases, then entropy also decreases. true false
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Physics, 22.06.2019 05:00
Red light strikes a metal surface and electrons are ejected. if violet light is now used with a 10% greater intensity, what will happen to the ejection rate (number of ejected electrons per second) and the maximum energy of the electrons? a) greater ejection rate; same maximum energyb) same ejection rate; greater maximum energyc) greater ejection rate; greater maximum energyd) same ejection rate; same maximum energye) none of the above answers are correct
Answers: 1
Physics, 22.06.2019 20:30
Atemperature inversion can cause a warm air mass to move over a colder air mass. this traps the colder air mass and prevents surface air from rising. this may result in which of these? a) smog b) acid rain c) freezing rain d) a thunderstorm
Answers: 3
Physics, 23.06.2019 00:00
Why should the wavelength scale of spectroscope be calibrated
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If you were standing at the center of a circular wave what would you see in all directions?
a. wave...
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