Given v = 520 sin (30t - 5π/4), what is the period? Question 14 options: .21 sec .05 sec .067 sec .03 sec

Suricactus asked Jun 5, 2023

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4 votes

Given v = 520 sin (30t - 5π/4), what is the period?

Question 14 options:

.21 sec

.05 sec

.067 sec

.03 sec

Suricactus asked Jun 5, 2023

2.4k points

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19 votes

Answer:

.21 sec

Explanation:

Compare 30t with 2πt/T where T is the period

30t = 2πt/T

30 = 2π/T

so T = 2π/30 = 0.21 sec

Arcade answered Jun 9, 2023

2.5k points

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