Physics, 24.07.2019 21:00 batmanmarie2004
Lynn rubs a balloon with a piece of wool, which causes the balloon to pick up some of the electric charges from the wool. lynn then observes that the balloon temporarily sticks to a wall. after several seconds, the balloon falls to the ground.
Answers: 2
Physics, 21.06.2019 21:00
Ahowler monkey is the loudest land animal and, under some circumstances, can be heard up to a distance of 4.6 km. assume the acoustic output of a howler to be uniform in all directions and that the threshold of hearing is 1.0 × 10-12 w/m2. what is the acoustic power emitted by the howler
Answers: 2
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 10:00
What is the temperature in degrees celsius of a substance with a tempature of 49k
Answers: 2
Lynn rubs a balloon with a piece of wool, which causes the balloon to pick up some of the electric c...
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