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suppose the x-velocity vx of the car at any time t is given by the equation:...

suppose the x-velocity vx of the car at any time t is given by the equation: vx=10m/s + (1.50m/s) t*square*
a) find the average x-acceleration in the time interval t1= 1 s and t2= 2.5 s
b) derive an expression for the instantaneous acceleration as a function of time, and use it to find ax at t=1 s and t=2.5 s
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Answer #1

Concept - find the average acceleration by finding the velocity at the given time. Differentiate the equation of velocity to find the instantaneous acceleration. Put the values of time to find the value of instantaneous acceleration as shown below.

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