Answer: Express the vectors in Exercises 9–12 in terms of
Chapter , Problem 11PE(choose chapter or problem)
Express the vectors in Exercises 9–12 in terms of their lengths and directions.
Velocity vector \(\mathbf{v}=(-2 \sin t) \mathbf{i}+(2 \cos t) \mathrm{j}\) when \(t=\pi / 2\).
Equation Transcription:
v = ( -2 sin )i + (2 cos
)j
Text Transcription:
v = (-2 sin t)i + (2 cos t)j
t = pi/2
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