Physics, 14.06.2021 16:20, brooklynunderwood46
Q34. A liquid cools down from 70°C to 60°C in 5 minutes. The time taken to cool it from 60°C to 50°C will be
(1) 5 minutes
(2) Lesser than 5 minutes
(3) Greater than 5 minutes
(4) Lesser or greater than 5 minutes depending upon the density of the liquid
Answers: 2
Physics, 22.06.2019 05:00, masie03
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 16:00, Wolfzbayne
The electric potential a distance r from a small charge is proportional to what power of the distance from the charge? a. r^-1 b. r c. r^-2 d. r^2
Answers: 1
Physics, 23.06.2019 01:30, Kekkdkskdkdk
Ionic compounds can be readily dissolved in water because the high dielectric constant of water screens and decreases the force between the oppositely charged ions.
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Physics, 23.06.2019 02:00, Ilovesnoopy69
Emergent properties of living systems are defined as properties that .
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Q34. A liquid cools down from 70°C to 60°C in 5 minutes. The time taken to cool it from 60°C to 50°C...
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