4. What is the distance of an observer that hears an intensity of 5.0 W/m2 from
the speaker th...
Physics, 17.04.2020 18:01, iamastudent79
4. What is the distance of an observer that hears an intensity of 5.0 W/m2 from
the speaker that has a power of 20.0 W?
Answers: 1
Physics, 20.06.2019 18:02, josephbrowne9p18dit
Which process is directly affected by the absorption of the thermal energy from the sun?
Answers: 1
Physics, 21.06.2019 21:00, jjxt126
A150 w lamp emits light of wavelength 590 nm uniformly in all directions. what is the photon flux (photons per unit area per unit time) on a small screen at a distance 2.3 m from the lamp? assume the photons are uniformly distributed over the surface of a sphere of radius 2.3 m.
Answers: 2
Physics, 21.06.2019 22:30, IDespretlyneedhelp
Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate
Answers: 2
Physics, 22.06.2019 11:00, taylorwhitfield6
Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?
Answers: 1
Mathematics, 21.09.2021 04:40
Mathematics, 21.09.2021 04:40
Mathematics, 21.09.2021 04:40