Physics, 26.12.2019 01:31 jacksonyodell4184
Asource emits sound uniformly in all directions. there are no reflections of the sound. at a distance of 12 m from the source, the intensity of the sound is 5.0 × 10−3 w/m2. what is the total sound power p emitted by the source?
Answers: 3
Physics, 21.06.2019 22:30, tvrgrvJfbhh3881
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 3
Physics, 22.06.2019 00:00, destinycasillas
Name three different units of energy used to measure heat and describe what type of situations each is usually used.
Answers: 2
Asource emits sound uniformly in all directions. there are no reflections of the sound. at a distanc...
Biology, 29.09.2020 17:01
History, 29.09.2020 17:01
Mathematics, 29.09.2020 17:01
English, 29.09.2020 17:01
History, 29.09.2020 17:01
Mathematics, 29.09.2020 17:01