Physics, 04.02.2020 16:01 JellalFernandes
Both the electrical force and the gravitational force between two objects share which relationship?
a. they are directly proportional to mass.
b. they are inversely proportional to the square of the distance.
c. they are inversely proportional to charge.
d. they are directly proportional to the square of the distance.
Answers: 2
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Ineed asap! list 3 examples in which friction us or makes things easier in our daily life. explain the effect of friction for each. *make sure you explain the effect of friction for each example! *
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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
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On a day when the barometer reads 75.23 cm, a reaction vessel holds 250 ml of ideal gas at 20 celsius. an oil manometer ( Ο= 810 kg/m^3) reads the pressure in the vessel to be 41 cm of oil and below atmospheric pressure. what volume will the gas occupy under s.t.p.?
Answers: 2
Both the electrical force and the gravitational force between two objects share which relationship?...
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