If Y = 002 Sin (30x − 400t) (SI Units) and If the and If

question 68

Multiple Choice

If y = 0.02 sin (30x − 400t) (SI units) and if the mass density of the string on which the wave propagates is 0.005 kg/m, then the transmitted power is

• A) 1.03 W
• B) 2.13 W
• C) 4.84 W
• D) 5.54 W
• E) 106 W

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Definitions:

Reversibility

The cognitive ability to recognize that numbers or objects can be changed and then returned back to their original condition.

Nonstage Theory

A theory suggesting that development or cognition does not progress through fixed stages, but rather continuously.

Heuristics

Simple, efficient rules, learned or hard-wired by evolutionary processes, that help in making decisions, forming judgments, or solving problems.

Structural

Pertaining to the physical or logical arrangement of a system's parts.