The Student Room Group

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

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 :/
Reply 1
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 :/


post your work please
Original post by TeeEm
post your work please

Sure
Reply 3
Original post by VisibleGenius
Sure


bit hard

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

any good?

PS what level are you?
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.
Reply 5
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
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?
Reply 7
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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