faithhiggs8920 faithhiggs8920

13-02-2024
Physics

contestada

What is the amplitude of this wave at time t=12 seconds and position z=30 cm?
v= 5e⁻²ᶻ cos(5t+π/4)
a. 5
b. 2.74
c. -1.25
d. 1.25

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