The sinusoid makes a complete oscillation (i.e. 360°) every 3 seconds. So, in one second it makes 1/3 of a turn, leading to 360°/3 = 120°.
So, the correct answer is the last one.
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Only apply formula. Hope it helped.
Answer:
96 cm3
Dont pay attention to this it says i need 20 characters sorry:)
