Velocity-time graph given. Plot acceleration vs time etc.

[Alexanddros81]

Homework Statement

Serway Physics Section 2.4 Acceleration

15. A velocity-time graph for an object moving along the x-axis is shown in Figure P2.15.
(a) Plot a graph of the acceleration versus time. Determine the average acceleration of
the object (b) in the time interval t=5.00 s to t=15.0 s and (c) in the time interval t=0 to t = 20.0 s.

Homework Equations

The Attempt at a Solution

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Is my calculation correct?

 

[kuruman]

Homework Statement

Serway Physics Section 2.4 Acceleration

15. A velocity-time graph for an object moving along the x-axis is shown in Figure P2.15.
(a) Plot a graph of the acceleration versus time. Determine the average acceleration of
the object (b) in the time interval t=5.00 s to t=15.0 s and (c) in the time interval t=0 to t = 20.0 s.

Homework Equations

View attachment 233466

The Attempt at a Solution

View attachment 233467
[/B]
Is my calculation correct?

It is correct.