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Mathematics 8 Online
OpenStudy (anonymous):

Given the equation d=8cos((3pi/4)*t) for simple harmonic motion , find the maximum displacement.

OpenStudy (kropot72):

What is the maximum value that cos x can have?

OpenStudy (anonymous):

1

OpenStudy (kropot72):

Correct. So now can you see what the maximum value of d (displacement) will be?

OpenStudy (anonymous):

1?

OpenStudy (kropot72):

No. What value precedes the cos term?

OpenStudy (anonymous):

8!

OpenStudy (kropot72):

Good work! The answer is 8 * 1 = 8

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