Answers: 3
Physics, 22.06.2019 11:30
If forces acting on an object are unbalanced. true or false
Answers: 1
Physics, 22.06.2019 12:00
In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer
Answers: 3
Physics, 22.06.2019 13:30
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
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
This part of the electromagnetic spectrum passes though lead and has the highest energy of all emiss...
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