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Questions  

Consider two satellites A and B. Both move around the earth in the same orbit but the mass of B is twice that of the mass of A.

a
Orbital speeds of A and B are equal
b
The orbital speed of A is twice that of B
c
The orbital speed of B is twice that of A
d
The kinetic energy of both A and B are equal

detailed solution

Correct option is A

Since orbital velocities are independent of the mass of satellites and only depends on the radius of orbits, they are equal for both A and B.The kinetic energy of a satellite depends on the mass of the satellite. Hence, it differs for satellite A and B.

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