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Mathematics 4 Online
OpenStudy (anonymous):

ANYONE?? Questions E,F

OpenStudy (anonymous):

OpenStudy (amistre64):

e is using your equation to find the minimum

OpenStudy (amistre64):

and im not real sure what displacement is refering to, maybe the arclength of the swing?

OpenStudy (amistre64):

displacement might be refering to an angle, or half the period ... hard to tell without any material to go by

OpenStudy (anonymous):

The equation is y=25sin(25.7(t+3.5))+30

OpenStudy (princeharryyy):

do you know wat rest position mean @Katieholmes

OpenStudy (anonymous):

isn't it where the pendulum starts then rests to decelerate? Maximum and minimum?

OpenStudy (princeharryyy):

don't you think the angle should be zero at rest @Katieholmes

OpenStudy (princeharryyy):

|dw:1408652125026:dw|

OpenStudy (princeharryyy):

@Katieholmes

OpenStudy (princeharryyy):

but do not forget that time can't be negative while solving the problem @Katieholmes

OpenStudy (anonymous):

they want the rest position not the time that the pendulum rests

OpenStudy (princeharryyy):

t doesn't give u the time for which the pendulum rests it gives u the time at which it comes to rest @Katieholmes

OpenStudy (princeharryyy):

and rest position is always the equilibrium position that is the lowest point ....

OpenStudy (princeharryyy):

|dw:1408652742791:dw| @Katieholmes

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