A Satellite Is in Circular Orbit at an Altitude of 1500

question 48

Multiple Choice

A satellite is in circular orbit at an altitude of 1500 km above the surface of a nonrotating planet with an orbital speed of 9.2 km/s. The minimum speed needed to escape from the surface of the planet is 14.9 km/s, and G = 6.67 × 10^-11 N ∙ m²/kg². The orbital period of the satellite is closest to

• A) 72 min.
• B) 65 min.
• C) 58 min.
• D) 51 min.
• E) 44 min.

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Definitions:

Strcat()

A function in the C programming language used to concatenate (append) one string to the end of another.

Strcpy()

A function used in C programming to copy one string to another.

Strcmp()

A function in C and C++ programming languages that compares two strings lexicographically.

Strncpy()

A standard library function in C used to copy a specified number of characters from one string to another.