A String with a Length of 1

question 30

Multiple Choice

A string with a length of 1.20 m has a mass of 4.00 gm.The velocity of wave propagation along the string is 185 m/s.The tension of the stretched string is

• A) 162 N.
• B) 145 N.
• C) 130 N.
• D) 114 N.
• E) 102 N.

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Definitions:

Selective Attention

is the cognitive process of focusing on a particular object or task while ignoring irrelevant information or stimuli.

Alertness Changes

Variations in the state of being awake and responsive to stimuli.

Cerebellum

A major structure of the hindbrain that is involved in motor control, coordination, precision, and timing of movements.

Sleep

A naturally recurring state of mind and body characterized by altered consciousness, relatively inhibited sensory activity, inhibition of nearly all voluntary muscles, and reduced interactions with surroundings.