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Did you get 39m? LOL same here with second comment

lOl I actually got this question wrong cos I calculated area under x-axis wrong

My friend did something similar to that... I think you should get it

Correct answer was 29m Youre meant to integrate the v(t) function as this gives displacement (however you have to absolute value the area under the x-axis to give distance) In simpler terms, Just draw v=10-2t on a graph from t=0 (v=10) to t=7 (v=-4) with t-int (v=0) at t=5 Then find area of...

http://community.boredofstudies.org/attachment.php?attachmentid=28912&d=1382415943 Thanks to spammer

Seriously... 3rd degree were consistent in their power and passion performances whilst Jai stuffs up his 1st performance and presents an average 2nd performance... definitely sympathy votes

Let Area CDE = Area ADEB Area CDE = Area ACB - Area CDE 2(Area CDE) = Area ACB 2(θr2/2) = θR2/2 CD2 = 302/2 CD = sqrt450 = 15sqrt2 cm R = radius of larger sector ie. CA=30cm r = radius of smaller sector ie. CD edit: dammit...

Guys its 10 d supersaiyan2 confirmed

In response to your request as quoted "Hi, this in reply to your newspaper ad. It looked good and all, but what's your hourly rate, and is it negotiable? I look forward to your services", I am sorry to inform you that I only accept clients who are clean-shaven, have good eye-coordination and...

You can still leave it in decimal value can you?

I didn't even realise it was 3 until I checked the question again... LOL I put 5/3 cos I misplaced a number

isn't limits 3?

I really do think it would be 76-80

I was taught to always show it via second derivative or first derivative table

yes i skipped b)iv) cos i kept getting no solution :mad: and c)ii) I just used similar triangles twice and left it there cos i was braindead

Im not sure on this anymore... where a=+2 it means acceleration is acting to the right of the origin but since the particle is moving left to the origin shown by v=-3, it translates to decelerating moving to the left + acceleration doesn't apply to accelerating left and right but only right if...

Yes 10 was d since a=+2 v=-3 va=-6 since negative therefore decelerating/decreasing speed Also as v=-3 (negative) therefore at that time particle was moving left of origin

I think this is 10/10

omfg was pressed for time and made so many careless mistakes MC 9/10 Q11 15/15 Q12 14/15 Q13 14/15 Q14 12/15 (For 14c) how would you answer in exact form and how many marks are deducted if one just answered in decimal form?) Q15 11/15 Q16 11/15 Hopefully band 6 cut-off is 80-ish or below

Good guy Riproot