Physics, 30.11.2019 03:31 bbgirl8638
In the year 1178. five monks at canterbury cathedral in england observed what appeared to be an asteroid colliding with the moon, causing a red glow in and around it. it is hypothesized that this event created the crater giordano bruno, which is right on the edge of the area we can usually see from earth. how long after the asteroid hit the moon, which is 3.84 x 10^5 km away, would the light first arrive on earth in seconds?
Answers: 1
Physics, 22.06.2019 01:30
The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?
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Physics, 22.06.2019 05:50
Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyerโs error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 2
Physics, 22.06.2019 10:00
Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer
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Physics, 22.06.2019 13:40
Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?
Answers: 1
In the year 1178. five monks at canterbury cathedral in england observed what appeared to be an aste...
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