Name two observable consequences of the Earth's tidal pull on the Moon
What will be an ideal response?
The Moon is tidally locked by our tides, with the same heavier side always pointed toward us; the tides also caused the dark mare to flow out on our side chiefly.
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Two objects are thrown from the top of a tall building and experience no appreciable air resistance. One is thrown up, and the other is thrown down, both with the same initial speed. What are their speeds when they hit the street?
A) The one thrown up is traveling faster. B) The one thrown down is traveling faster. C) They are traveling at the same speed.
A cloud fragment too small to form a star becomes:
A) a red giant. B) a black hole. C) a brown dwarf. D) a T Tauri object. E) a Herbig Haro object.
In essence, the nebular theory holds that
A) our solar system formed from the collapse of an interstellar cloud of gas and dust. B) nebulae are clouds of gas and dust in space. C) the planets each formed from the collapse of its own separate nebula. D) the nebular theory is a discarded idea that imagined planets forming as a result of a near-collision between our Sun and another star.
A very small source of light that radiates uniformly in all directions produces an electric field amplitude of 2.96 V/m at a point 33.0 m from the source
What is the power output from the source? (c = 3.00 × 108 m/s, ?0 = 4? × 10-7 T ? m/A, ?0 = 8.85 × 10-12 C2/N ? m2)