The position of a mass that is oscillating on a spring is given by x = (12.3 cm) cos[(1.26s-1)t]. What is the velocity of the mass when t = 0.815 s?
A)
- 13.3 cm/s
B)
13.3 cm/s
C)
8.02 cm/s
D)
- 8.02 cm/s
E)
0 cm/s
A
Physics & Space Science
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