Physics

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A Knight of the Round Table fires off a vat of
burning pitch from his catapult at 17 m/s, at
29

above the horizontal.
The acceleration of gravity is 9.8 m/s
2
.
How long is it in the air?
Answer in units of s

  • Physics -

    The initial vertical velocity component Vyo determines the time in the air.

    Vyo = 17 sin29 = 8.24 m/s

    Vy becomes zero at
    t = Voy/g = 0.84 s

    Double that time to include the time coming back down.

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