A man made object revolving around the e...

A man made object revolving around the earth in a fixed orbit is called ….?

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The correct Answer is:

Artificial satellite.

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A satellite revolving around the earth is

an inertial frame

a non-inertial frame

both an inertial and non-inertial frame

inertial only when the height of the satellite is high

its P.E. and K.E. are +ve and the total energy is negative

its P.E. and K.E. are -ve but the total energy is positive

its P.E. and total energy are negative but the K.E. is positive

its P.E. and total energy are positive but its K.E. is negative

if mass of earth is made four times, keeping other factors constant, orbital speed of satellite will become two times

corresponding to change in part(a), times period of satellite will become half

when value of `G` is made two times orbital speed increases and time period decreases

`G` has no effect on orbital speed and time period