A.
Physics, 19.04.2020 19:51 Merlinemicheli4727
The gravitational force between which two objects would be the most difficult to notice?
A.
a water particle and an air particle
B. the Moon and a water particle
C. the Moon and the Earth
D. the Earth and the Sun
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Answers: 3
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Abatter hits the baseball a with an initial velocity of v0 = 110 ft/sec directly toward fielder b at an angle of 23° to the horizontal; the initial position of the ball is 2.2 ft above ground level. fielder b requires 0.44 sec to judge where the ball should be caught and begins moving to that position with constant speed. because of great experience, fielder b chooses his running speed so that he arrives at the “catch position” simultaneously with the baseball. the catch position is the field location at which the ball altitude is 8.4 ft. determine the velocity of the ball relative to the fielder at the instant the catch is made.
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Stars x and y are both bluish main sequence stars. star x has a higher absolute brightness than star y. how do the two stars compare? explain
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The gravitational force between which two objects would be the most difficult to notice?
A.
A.
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