Physics, 30.11.2019 06:31 lekaje2375
1. if the strength of the magnetic field at b is 3 units, the strength of the magnetic field at a is
a. 6 units
b. 9 units
c. 12 units
d. 13 units
Answers: 1
Physics, 22.06.2019 00:30, Waakkaa
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 18:00, mariaaaaa69
Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block
Answers: 1
Physics, 22.06.2019 18:30, dbryrob2557
In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km. h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.
Answers: 2
1. if the strength of the magnetic field at b is 3 units, the strength of the magnetic field at a is...
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