Need help!
1. How is the Moon cycle an example of the sun, moon and earth interacting?
2...
Physics, 13.12.2020 09:00 slavenkaitlynn
Need help!
1. How is the Moon cycle an example of the sun, moon and earth interacting?
2. Why does the moon appear completely dark once a month?
Answers: 1
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An observer that stands still as the electron moves by him, will observe
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How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.
Answers: 1
Physics, 22.06.2019 04:30
Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.
Answers: 3
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