UNIVERSE
SATELLITESICY BODIES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Project a cannonball from atop Newton’s hypothetical mountain at 8 km/s and it orbits Earth. Project it at 9 km/s and the shape of the orbit is
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an ellipse
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a circle
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a wide parabola
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None of the above
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Explanation:
Detailed explanation-1: -An Earth satellite is a projectile moving fast enough to fall continually around Earth rather than into it. On an imaginary tiny planet, you would not have to throw the stone very fast to make its curved path match the surface curvature.
Detailed explanation-2: -Satellite motion is an example of a high-speed projectile. A satellite is simply a projectile that falls around Earth rather than into it.
Detailed explanation-3: -The Short Answer: Gravity-combined with the satellite’s momentum from its launch into space-cause the satellite to go into orbit above Earth, instead of falling back down to the ground.
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