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MATHMATICS

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coolguy said:
any1 knows how to solve the max speed question n wat woz da equation of line?(in da midpoint question!). woz dere ny locus questions coz i think i missed a page? 1 last thing .........wat woz da rotational symmetry?
@cool guy :- Rotational Symmetry and lines both were 1
The max speed was 16.25
Basically the distance for both would be the same so assuming the highest speed was v, divide the triangle into 2 halves, then the distance traveled would be Area of 1st Triangle (1/2)*B1*v + Area of 2nd triangle (1/2)*B2*v B1 and B2 are the bases which add up to 16(sec). Equation is 130= (1/2)*(B1+B2)*v. 260=16*v. v=260/16, v=16.25
 
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guys

r u sure about the order of rotational symmetry
i know its zero that's what my teacher says and he has a PHD in engineering

?????????????
 
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i think cie is going to award marks for both the answers 0 as well as 1 coz some books consider it to be 0 when it comes back to its original pos. without overlapping any other pos. but say that to be 1
 
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