Physics, 31.08.2019 20:30 fluffykitty21
Afootball field is 150 meters long. a football player take 30 seconds to run the entire length of the field. what was his speed?
Answers: 2
Physics, 21.06.2019 21:30
One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?
Answers: 3
Physics, 22.06.2019 08:00
If a balloon is taken outside on a very cold day, what will occur?
Answers: 1
Physics, 22.06.2019 17:30
How does the entropy of steam compare to the entropy of ice?
Answers: 2
Afootball field is 150 meters long. a football player take 30 seconds to run the entire length of th...
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