A particle's position moving an X axis is given by: X(t)= 4t³ + 3t - 5 , where X in meters ant t in seconds.
5- Find the instantaneous acceleration at t=3s ?
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Answer:
instantaneous acceleration is 72m/s.
Explanation:
x(t)=4t^3-3t-5
v=dx/dt
=12t^2-3
a=dv/dt
=24t m/s^2
t=3s
Therefore,
a= 24×3
=72m/s^s
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