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  1. Jiyad Ahsan

    Mathematics: Post your doubts here!

    bla bla guys you should stop worrying so much, im sure everyone will do fine (though i hope not too fine :p it'll push up the threshold) anyways umm after you get the sin^-1(1/3) the basic angle you get is 0.340 radians and since the given range is between 1/2pi and 3/2 pi we get, x=pi -...
  2. Jiyad Ahsan

    As physics p1 MCQS YEARLY ONLY.

    so ummm Q 14. since it is at its highest point the vertical velocity would be zero and since only horizontal velocity remains the KE will be half that of its initial magnitude. Q 15. tricky question - here the kinetic energy would equal the energy in the spring, the momentum of both trolleys...
  3. Jiyad Ahsan

    As physics p1 MCQS YEARLY ONLY.

    okay the thing is in this question its quite obvious that since P takes double the height, so it would have half the density. Q has double the density of P. so if P is on 1, Q is 2. :P - hope that helped
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