Physics, 26.07.2019 01:40 whitethunder05
Asilver sphere with radius 1.3611 cm at 23.0°c must slip through a brass ring that has an internal radius of 1.3590 cm at the same temperature. to what temperature must the ring be heated so that the sphere, still at 23.0°c, can just slip through?
Answers: 2
Physics, 22.06.2019 00:30
What are the theoretical properties of a gas at a temperature of 0 kelvin?
Answers: 3
Physics, 22.06.2019 00:30
Glass is transparent to visibile light under normal conditions; however, at extremely high intensities, glass will absorb most of the light incident upon it. this works through a process known as multiphoton absorption. in this process, several photons are absorbed at the same time. if very intense light whose photons carry 2ev of energy is shined onto a material with a band gap of 4ev, that light can be absorbed through two-photon absorption, because two photons have the right amount of energy to bridge the band gap. what is the minimum number of photons of 800-nm light that are needed to equal or exceed the band gap of fused silica glass
Answers: 1
Physics, 22.06.2019 14:00
Agraduated cylinder contains 63.0 ml of water. a piece of gold, which has a density of 19.3 g/ cm3, is added to the water and the volume goes up to 64.5 ml. calculate the mass in grams of the gold that was added to the water. explain how you got your answer.
Answers: 3
Physics, 22.06.2019 21:20
The strong nuclear force acts over a small distance than the electrostatic force. true or false
Answers: 2
Asilver sphere with radius 1.3611 cm at 23.0°c must slip through a brass ring that has an internal r...
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