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the puma, which can jump to a height of 12.9 ft when leaving the ground at an angle of 44°. With what speed, in SI units, must the animal leave the ground to reach that height?

  • Physics -

    The vertical component of velocity must be

    Vf^2=2 g 12.9 where g=32ft/sec^2

    Vf= sqrt(2*32*12.9)= 28ft/sec

    so the velocity of the animal then is Vf/sin44 or about 28*1.4

    you can do it more accurately.

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