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nick227
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Homework Statement
A particle moves along a curve whose equations are:
x=3e^(-2t)
y=4sin3t
z=5cos3t
where t is the time.
a) Find the velocity and acceleration at any time.
b) Find the magnitudes of the velocity and acceleration at time t=0.
Homework Equations
The Attempt at a Solution
I know that the velocity is d/dt of the position and acceleration is d/dt of velocity. How can i find the velocity? If i take the derivative of all three functions, i will get three different velocities.