A Weight Is Oscillating on the End of a Spring

question 15

Multiple Choice

A weight is oscillating on the end of a spring (see figure) .The position of the weight relative to the point of equilibrium is given by , where y is the displacement (in meters) and t is the time (in seconds) .Find the times when the weight is at the point of equilibrium (y = 0) for . ​ ​
​

• A)0.05sec, 0.49sec, 0.94sec
• B)0.05sec, 0.05sec, 0.94sec
• C)-0.40sec, 0.49sec, 0.94sec
• D)-0.40sec, 0.49sec, -0.40sec
• E)0.05sec, -0.40sec, 0.94sec

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Definitions:

Anorexia Nervosa

An eating disorder characterized by an abnormally low body weight, an intense fear of gaining weight, and a distorted perception of body weight.

ADHD

A neurodevelopmental condition known as Attention Deficit Hyperactivity Disorder is distinguished by a lack of focus, heightened activity levels, and impulsive actions.

Autism

A developmental disorder characterized by difficulties with social interaction and communication, and by restricted and repetitive behavior, interests, or activities.

Cyclothymic

Relating to or characterized by cyclothymia, a mood disorder with alternating periods of mild depression and hypomania.