science
Grade8
Easy
Question
Which of the following can possibly be done to make an object revolve around the Earth in a particular orbit?
(a) Launch it at a sufficiently high velocity
(b) Launch it from a high altitude
(c) Launch it from the ground
- All are correct
- Only (b) and (c) are correct
- Only (a) and (b) are correct
- Only (a) is correct
Hint:
Launch it at a sufficiently high velocity and Launch it from a high altitude can be done to make an object revolve around the Earth in a particular orbit.
The correct answer is: Only (a) and (b) are correct
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