Physics, 16.06.2021 01:00 nataliahenderso
A 5.4 eV photon strikes the surface of iron and an electron is emitted. What is the maximum possible speed of the electron
Answers: 2
Physics, 22.06.2019 03:00
If it takes a planet 2.8 x 10^8 s to orbit a star with a mass of 6.2 x 10^30 kg what is the average distance between the planet and the star
Answers: 3
Physics, 22.06.2019 07:50
Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?
Answers: 1
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)
Answers: 1
Physics, 23.06.2019 04:00
A15 ohm resistor and a 25 ohm resistor are connected in a series to a 60 volt battery. what is the power used by each device
Answers: 3
A 5.4 eV photon strikes the surface of iron and an electron is emitted. What is the maximum possible...
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