Figure shows a graph of v versus t for the motion of a motorcyclist as he starts

Question

Figure shows a graph of v versus t for the motion of a motorcyclist as he starts from rest and moves along the road in a straight line. The line shows the tangent line at t = 4.2 sec and line passes points, (1,2) and (5,8).
(a) Find the average
velocity for the time interval t = 0 to t = 10.0 s.
(b) Estimate the time at which the acceleration has its greatest positive value.
What is the value of the velocity at that instant? (c) When is the acceleration zero?
(d) Estimate the position change for the interval t=0 to t =10 s.
(e) Find the velocity at t=4.2 s.
(f) Find the average acceleration for the interval t =4.2s to t =12 s

Explanation / Answer

Figure please....

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