mathslover
  • mathslover
Projectile Motion - question.
Physics
katieb
  • katieb
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mathslover
  • mathslover
Please check the attachment.
DLS
  • DLS
IITJEE !
mathslover
  • mathslover
YES!

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JFraser
  • JFraser
Are you assuming that the projectile is fired at such an angle that would be the same as the position of the plank before it started moving? This isn't particularly complicated to solve, just will require a few pieces
DLS
  • DLS
This is way too lengthy but interesting,just proceed step by step.
JFraser
  • JFraser
start with the collision. We know that the impact must occur when the stone is moving at 45-degrees, so the x- and y-components of its vector velocity must be equal. The impact must also occur at a height of 3.0m from the ground, since the plank moves purely horizontally
DLS
  • DLS
@mathslover Here you go!! http://www.youtube.com/watch?v=HNeQDSASrcs Just stuck me :P
mathslover
  • mathslover
@DLS :P @JFraser can u explain with some eqns ? or with some steps...?
DLS
  • DLS
@mathslover that video will explain this question?u didnt get it?
mathslover
  • mathslover
I am going through it DLS.
DLS
  • DLS
that will explain it clearly =)
mathslover
  • mathslover
Thank you DLS, thanks jfrazer also.
JFraser
  • JFraser
you'll end up with a system of equations to solve simultaneously, but I don't have it done yet
mathslover
  • mathslover
Okey!

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