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# M1 question.. ( How far does the particle travel..) watch

1. The Position of a particle moving along a straight line is given by s=t^2-5t+3

(I) Draw a diagram to show the path of the particle over the first 6 seconds of its motion
(II) how far does the particle travel in the first 6 seconds..

So I have done the first question by simply plugging values of t into the equation but I cannot, for the life of me, remember how to find how far the particle travels
if the graph is a curve :/
2. (Original post by VisibleGenius)
The Position of a particle moving along a straight line is given by s=t^2-5t+3

(I) Draw a diagram to show the path of the particle over the first 6 seconds of its motion
(II) how far does the particle travel in the first 6 seconds..

So I have done the first question by simply plugging values of t into the equation but I cannot, for the life of me, remember how to find how far the particle travels
if the graph is a curve :/
3. (Original post by TeeEm)
Sure
Attached Images

4. (Original post by VisibleGenius)
Sure
bit hard

sub t = 0
sub t = 2.5
sub t = 6

any good?

PS what level are you?
5. (Original post by TeeEm)
bit hard

sub t = 0
sub t = 2.5
sub t = 6

any good?

PS what level are you?
Why do you sub t=2.5?

Im doing A2s atm.
6. (Original post by VisibleGenius)
Why do you sub t=2.5?

Im doing A2s atm.
the particle starts at s =3 and is moving left until t=2.5
it the reverses direction and moves to the right forever
7. (Original post by TeeEm)
the particle starts at s =3 and is moving left until t=2.5
it the reverses direction and moves to the right forever
Thank you!

When you said it was a 'bit hard', would you expect a question like this to pop up in the OCR paper M1 paper?
8. (Original post by VisibleGenius)
Thank you!

When you said it was a 'bit hard', would you expect a question like this to pop up in the OCR paper M1 paper?
definitely ...
Hard if you have not seen it before

All the best!

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Updated: February 11, 2016
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