A satellite of mass 500 kg orbits the Earth with a period of 6000 s. The Earth has a mass of 5.98 x 1024 kg. (a) Calculate the magnitude of the Earth's gravitational force on the satellite
(b) Determine the altitude of the satellite above the Earth's surface.
(a) 3900 N
(b) 7 x 105 m
Physics & Space Science
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A one-way mirror works because __________
Fill in the blank(s) with correct word
Physics & Space Science
The Sun will leave the main sequence in about ________ years from now.
A. 5 billion B. 5 million C. 100 billion D. 100 million
Physics & Space Science
A boy throws a rock with an initial velocity of 2.15 m/s at 30.0° above the horizontal. If air resistance is negligible, how long does it take for the rock to reach the maximum height of its trajectory?
A) 0.110 s B) 0.194 s C) 0.215 s D) 0.303 s
Physics & Space Science
On the H-R diagram, the bright blue stars that dominate the naked-eye sky lie
A) at the top left. B) at the lower left. C) in the middle of the main sequence. D) at the top right. E) at the lower right.
Physics & Space Science