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

Question

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

Quizplus · Accepted Answer

The Answer of 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

A Weight Is Oscillating on the End of a Spring