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16 January, 02:57

A flea jumps straight up to a maximum height of 0.550 m. what is its initial velocity v0 as it leaves the ground?

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  1. 16 January, 05:57
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    Since my givens are x =.550m [Vsub0] = unknown

    [Asubx] = = 9.80

    [Vsubx]^2 = [Vsub0x]^2 + 2[Asubx] * (X-[Xsub0]

    [Vsubx]^2 = [Vsub0x]^2 + 2[Asubx] * (X-[Xsub0])

    Vsubx is the final velocity, which at the max height is 0, and Xsub0 is just 0 as that's where it starts so I just plug the rest in

    0^2 = [Vsub0x]^2 + 2[-9.80] * (.550)

    0 = [Vsub0x]^2 - 10.78

    10.78 = [Vsub0x]^2

    Sqrt (10.78) = 3.28 m/s
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