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mathslover

  • one year ago

Projectile Motion - question.

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  1. mathslover
    • one year ago
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    Please check the attachment.

  2. DLS
    • one year ago
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    IITJEE !

  3. mathslover
    • one year ago
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    YES!

  4. JFraser
    • one year ago
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    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

  5. DLS
    • one year ago
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    This is way too lengthy but interesting,just proceed step by step.

  6. JFraser
    • one year ago
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    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

  7. DLS
    • one year ago
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    @mathslover Here you go!! http://www.youtube.com/watch?v=HNeQDSASrcs Just stuck me :P

  8. mathslover
    • one year ago
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    @DLS :P @JFraser can u explain with some eqns ? or with some steps...?

  9. DLS
    • one year ago
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    @mathslover that video will explain this question?u didnt get it?

  10. mathslover
    • one year ago
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    I am going through it DLS.

  11. DLS
    • one year ago
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    that will explain it clearly =)

  12. mathslover
    • one year ago
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    Thank you DLS, thanks jfrazer also.

  13. JFraser
    • one year ago
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    you'll end up with a system of equations to solve simultaneously, but I don't have it done yet

  14. mathslover
    • one year ago
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    Okey!

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