Answers: 1
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 00:00
Which is not a characteristic of a heat pump? a. it is used in air conditioners. b. it uses a refrigerant. c. it requires no work. d. it reverses the normal flow of thermal energy.
Answers: 2
Physics, 22.06.2019 11:00
Looking at this barometer, is the air pressure high or low? what type of weather would you expect? high, bad low, bad high, good low, good
Answers: 1
Physics, 22.06.2019 16:30
Using gravity, an elephant can pull a mouse towards it from the ground. true or false explain why. will give brainliest if answered fast and the best explanation
Answers: 2
You place your pencil on your desk it stays there...
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