A Satellite Is in a Circular Orbit About the Earth

question 71

Multiple Choice

A satellite is in a circular orbit about the Earth at a distance of one Earth radius above the surface.What is the speed of the satellite? (The radius of the Earth is 6.4 x 10⁶ m,and G = 6.67 x 10^-11 N*m²/kg². )

• A)2 800 m/s
• B)4 200 m/s
• C)5 600 m/s
• D)16 800 m/s

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Definitions:

Pitch

A term used in both music and acoustics to describe the perceived frequency of a sound, determining how high or low it sounds.

High-Pitched

Sounds that have a high frequency, often perceived as sharp or squeaky.

Low Frequency

Pertains to waves, such as sound or electromagnetic waves, that have a relatively low rate of oscillation or cycles per second.

Place Theory

A theory in psychology that proposes the perception of sound depends on where each component frequency produces vibrations along the basilar membrane of the inner ear.