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Physics: Post your doubts here!
7) Its D read your book properly, its mentioned :P 9) For projectile motion, the vertical acceleration is the same throughout and is equal to g. There is no component of acceleration in the horizontal direction, so horizontal velocity is unchanged. But vertical speed changes due to which the...- Thought blocker
- Post #11,837
- Forum: A-Levels
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Mathematics: Post your doubts here!
kx - 4 = x^2 - 2x x^2 - 2x - kx + 4 = 0 x^2 - x (2 + k) + 4 = 0 Use b^2-4ac = 0 (Discriminant = 0 as curve intersects at two distinct points) k^2 + 4k + 4 - 16 = 0 hence, k > 2 and k < -6 :)- Thought blocker
- Post #13,563
- Forum: A-Levels
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Mathematics: Post your doubts here!
At x = 3 there is line of symmetry so A = x value so 1 is given zero and from 2(x-3)^2-5 we get A as 3 but we have 2 out the bracket hence A=6- Thought blocker
- Post #13,562
- Forum: A-Levels
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SOLVED HARDEST questions for QUICK last day REVISION
Ty ty :P- Thought blocker
- Post #105
- Forum: A-Levels
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SOLVED HARDEST questions for QUICK last day REVISION
Remember me? :P- Thought blocker
- Post #103
- Forum: A-Levels
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