infamous91 infamous91

17-02-2022
Mathematics

contestada

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

Question 14 options:

.21 sec

.05 sec

.067 sec

.03 sec

Respuesta :

zsm2800 zsm2800

21-02-2022

Answer:

.21 sec

Step-by-step explanation:

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

30t = 2πt/T

30 = 2π/T

so T = 2π/30 = 0.21 sec

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Help on number 14 please