Solve the Problem $\mathrm { I } = 64 \sin 137 \pi \mathrm { t }$

question 235

Multiple Choice

Solve the problem.
-A generator produces an alternating current according to the equation $\mathrm { I } = 64 \sin 137 \pi \mathrm { t }$ , where $t$ is time in seconds and I is the current in amperes. What is the smallest time $t$ such that $I = 32$ ?

• A) \(\frac { 1 } { 548 } \mathrm { sec }\)
• B) \(\frac { 1 } { 274 } \mathrm { sec }\)
• C) \(\frac { 1 } { 822 } \mathrm { sec }\)
• D) \(\frac { 1 } { 411 } \sec\)

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