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The displacement of a particle in centimeters is given by y=8 sin (2πft).
If f=20 Hz, find the
displacement and the velocity of the particle at a time t=0.01 s and 0.07 s.

(ans: y=7.61 cm, v=3.11 m/s, y=4.70 cm, v= -8.13 m/s)

After I plug in f to get w and switch to this equation: Asin(wt - kx), plugging in the numbers doesn't give me the right answer.

Thank you

  • physics - ,

    nevermind, got it, had to switch calculator from degrees to radian, hehe

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