The input work on a pulley system is 75 j. if the pulley system is 84%
efficient, what is the...
Answers: 1
Physics, 22.06.2019 13:50
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
Answers: 2
Physics, 22.06.2019 14:00
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 1
Physics, 22.06.2019 16:00
Amichelson interferometer operating at a 600 nm wavelength has a 3.02-cm-long glass cell in one arm. to begin, the air is pumped out of the cell and mirror m2 is adjusted to produce a bright spot at the center of the interference pattern. then a valve is opened and air is slowly admitted into the cell. the index of refraction of air at 1.00 atm pressure is 1.00028.how many bright-dark-bright fringe shifts are observed as the cell fills with air?
Answers: 1
English, 02.03.2021 08:40
Physics, 02.03.2021 08:40
Mathematics, 02.03.2021 08:40
Mathematics, 02.03.2021 08:40
Mathematics, 02.03.2021 08:40
Chemistry, 02.03.2021 08:40
Mathematics, 02.03.2021 08:40
Mathematics, 02.03.2021 08:40
Mathematics, 02.03.2021 08:40
Mathematics, 02.03.2021 08:40
Mathematics, 02.03.2021 08:40