Is a constant a periodic signal? Explain why it is or is not periodic and, if it is periodic what is its fundamental period?
What will be an ideal response?
A constant is periodic because it repeats for all time. The fundamental period of a periodic signal is defined as the minimum positive time in which it repeats. A constant repeats in any time, no matter how small. Therefore since there is no minimum positive time in which it repeats it does not have a fundamental period.
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Adolescents who were born with low birth weight were more likely to ____
a. be obese and have poor muscle tone b. be depressed and reclusive c. have low intelligence test scores and more likely to repeat a grade d. have poor secondary sexual characteristic development
Jimmy's mother places a new rattle in his crib. Instantly, Jimmy picks up the rattle, tries to mouth the rattle, and notices that when it shakes, it makes noise. Jimmy immediately tries shaking the rattle different ways to see how the sound changes, and he seems to enjoy this activity. What would Jean Piaget say this is an example of?
A. Substage 2: First habits and primary circular reactions B. Substage 1: Simple reflexes C. Substage 3: Secondary circular reactions D. Substage 4: Coordination of secondary circular reactions
The college curriculum can help advance moral reasoning because students experience
A. differing points of view. B. information overload. C. support for their beliefs. D. failure.
The range for the scores 10, 11, 12, 14, 16, 16, 16, 18, 19, 20 is _____
a. 11 b. 10 c. 16 d. 5