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Josephcastillo6403
31.12.2019 •
Physics
An earth satellite is orbiting at a distance from the earth’s surface equal to one earth radius (4 000 miles). at this location, the acceleration due to gravity is what factor times the value of gat the earth’s surface?
a. there is no acceleration since the satellite is in orbit.
b. 2
c. 1/2
d. 1/4
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Ответ:
The acceleration due to gravity is
times the value of g at the Earth’s surface.
(D) is correct option.
Explanation:
Given that,
Radius = 4000 miles
We need to calculate the gravitational force at surface
Gravitational force on the mass m on the surface of the earth
At r = R
We need to calculate the gravitational force at height
Gravitational force on a mass m from the center of the earth,
At r = R + R = 2 R
Dividing equation (II) by equation (I)
Hence, The acceleration due to gravity is
times the value of g at the Earth’s surface.
Ответ:
456.63
Step-by-step explanation:
I took the test and got it correct.