Physics, 26.10.2019 23:43 juansebas35
Every year, new records in track and field events are recorded. let's take an historic look back at some exciting races.
on august 20, 1989, in cologne, west germany, said aouita of morocco also established a world record when he ran the 3000. m run in 7.00 minutes, 29.45 seconds. what was his average speed (in m/s) for the race? remember to include your data, equation, and work when solving this problem.
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Physics, 22.06.2019 11:30
What is the name for the remnant of an asymptotic giant that has lost its shells? black dwarf white dwarf yellow giant black hole
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Physics, 22.06.2019 18:30
Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm
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Physics, 22.06.2019 20:30
Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3
Answers: 1
Physics, 23.06.2019 00:30
What is the relationship between wavelength of light and the quantity of energy per photon?
Answers: 2
Every year, new records in track and field events are recorded. let's take an historic look back at...
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