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Physics

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If the vertical component of velocity for a projectile is 7.3 meters/second, find its hang time.

A. 1.9 seconds
B. 2.5 seconds
C. 5.6 seconds
D. 6.7 seconds
E. 7.1 seconds

  • Physics -

    v = vi - g t
    at top v = 0
    0 = 7.3 - 9.8 t
    t = .745 s to top
    same amount falling back so
    2 * t = 1.49 seconds in the air

    Now that is quite enough. You try some.

  • Physics -

    9.8 (gravity) - 7.3 (velocity) = 2.5, B

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