Physics, 04.05.2021 18:20 anthonylopez1
Because the universe is expanding, what happens to light from other galaxies as it reaches Earth?
It is brighter.
It is blue shifted.
It is dimmer.
It is red shifted.
Answers: 3
Physics, 21.06.2019 22:10
Ascrew incorporates which other simple machine? lever wheel and axle inclined plane pulley
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Physics, 22.06.2019 02:10
Which statement correctly describes the relationship between frequency and wavelength?
Answers: 2
Physics, 22.06.2019 16:30
Place several e-field sensors at a few points on different equipotential lines, and look at the relationship between the electric field and the equipotential lines. which statement is true? 1-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of higher voltages. 2-at any point, the electric field is perpendicular to the equipotential line at that point, and it is directed toward lines of lower voltages. 3-at any point, the electric field is parallel to the equipotential line at that point.
Answers: 1
Physics, 22.06.2019 19:00
Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?
Answers: 1
Because the universe is expanding, what happens to light from other galaxies as it reaches Earth?...
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