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mathslover

  • 2 years ago

Projectile Motion - question.

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  1. mathslover
    • 2 years ago
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    Please check the attachment.

  2. DLS
    • 2 years ago
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    IITJEE !

  3. mathslover
    • 2 years ago
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    YES!

  4. JFraser
    • 2 years 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
    • 2 years ago
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    This is way too lengthy but interesting,just proceed step by step.

  6. JFraser
    • 2 years 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
    • 2 years ago
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    @mathslover Here you go!! http://www.youtube.com/watch?v=HNeQDSASrcs Just stuck me :P

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

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

  10. mathslover
    • 2 years ago
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    I am going through it DLS.

  11. DLS
    • 2 years ago
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    that will explain it clearly =)

  12. mathslover
    • 2 years ago
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    Thank you DLS, thanks jfrazer also.

  13. JFraser
    • 2 years 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
    • 2 years ago
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    Okey!

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