A Satellite Is Held in Orbit by a 3000-N Gravitational

question 21

Multiple Choice

A satellite is held in orbit by a 3000-N gravitational force.Each time the satellite completes an orbit of circumference 80,000 km,the work done on it by gravity is:

• A) 2.4 × 10⁸ J
• B) 2.4 × 10¹¹ J
• C) 9.6 × 10¹¹ J
• D) 0

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Definitions:

Low Frequencies

Sounds or signals that fall at the lower end of the auditory range, typically below 250 Hz, often associated with bass tones or vibrations.

Frequency

The number of occurrences of a repeating event per unit of time.

Hertz

The unit of frequency in the International System of Units (SI), representing one cycle per second.

Decibels

A unit of measurement that represents the intensity of sound, quantifying sound pressure level commonly used in acoustics.