Suppose a 15-Centimeter Pendulum Moves According to the Equation

question 42

Multiple Choice

Suppose a 15-centimeter pendulum moves according to the equation where is the angular displacement from the vertical in radians and t is the time in seconds. Determine the rate of change of when t = 7 seconds. Round your answer to four decimal places.

• A) 2.5034 radians per second
• B) 3.6185 radians per second
• C) 0.3129 radians per second
• D) 3.1535 radians per second
• E) 4.1724 radians per second

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Definitions:

ROM Chip

A type of non-volatile storage that permanently stores instructions for hardware initialization. The data on it cannot be modified or can only be modified slowly or with difficulty.

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An operating system originally conceived in 1969 by Ken Thompson and Dennis Ritchie of AT&T’s Bell Labs. In 1974, the UNIX code was rewritten in the standard programming language C. Today there are various commercial versions of UNIX.

BIOS

Basic Input/Output System, a firmware interface that initializes and tests hardware during the startup process, prior to the operating system loading.