Simple Differentiation Q.

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Differentiation.jpg


Am I being derp, or is the acceleration simply 4m/s^2?

The "b) its acceleration at the end of 2 seconds" is confusing me a little as t is out of the equation. Therefore I take it the value of t (2 sec) is simply ignored?

Cheers. :)
 
Draw the graph, im sure you can see that the body has a constant acceleration, meaning the value of acceleration shouldn't change over time.

EDIT: i mean graph of the velocity function :D
 
Differentiation.jpg


Am I being derp, or is the acceleration simply 4m/s^2?

The "b) its acceleration at the end of 2 seconds" is confusing me a little as t is out of the equation. Therefore I take it the value of t (2 sec) is simply ignored?

Cheers. :)

yep seems like acceleration is 4... differentation is fun :rolleyes: integration is even better.... ;) :o
 
yep seems like acceleration is 4... differentation is fun :rolleyes: integration is even better.... ;) :o

I enjoy differentiation as well as integration/int. of partial fractions/int. by part. Just got mildly confused by this question which may or may not appear in this format in my exam on Wednesday.

This question is in the pass section, so is comparatively easy. I'm aiming for a distinction, and have covered all other bases very well (apart from some trig. identities, but they're very easy).

Cheers.
 
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