Simple Kinematics Question

Discussion in 'Physics & Math' started by siddharthmishra19, Sep 22, 2006.

  1. siddharthmishra19 Registered Member

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    A stone (taken as a point mass) is thrown from a cliff of height H = 80m perpendicular to the ground. It falls L = 60m away from the cliff. What is the initial velocity V with which the stone is thrown?

    Obviously we have to deduce the formula for velocity using kinematic equations w/ respect to H and L. Help will be very appreciated. Thank you.
     
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  3. Destroyer Banned Banned

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    14.87m/s
     
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  5. siddharthmishra19 Registered Member

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  7. siddharthmishra19 Registered Member

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    Got It.

    In the same problem, what is the time taken by the body to attain a velocity twice its initial velocity?

    What is the displacement of the body at that time?
     

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