Physics, 19.08.2020 21:01 alysonmariefont
the electrostatic force between two point charges is 2.8 x 10^-5 N. If the distance between them doubles, the charge of one of the points quadruples and the charge of the other point is cut by a factor of 3. What will the new force between them be?
Answers: 1
Physics, 22.06.2019 12:00
Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
Answers: 3
Physics, 22.06.2019 12:40
Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)
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Aheat engine that operates on a carnot cycle has an efficiency of 0.420 when its low-temperature reservoir is at 10 ∘c.part aby how many degrees celsius must you increase the temperature of the high-temperature reservoir to increase the efficiency to 0.600 if you continue to use the same low-temperature reservoir?
Answers: 1
the electrostatic force between two point charges is 2.8 x 10^-5 N. If the distance between them dou...
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