Question

In a chase scene, a movie stuntman runs horizontally off the flat roof of one building and lands on another roof 2.0m lower.

If the gap between the buildings is 4.4m wide, how fast must he run to cross the gap?
Express your answer to two significant figures and include the appropriate units.
h = 0.5g*t^2 = 2 m.
4.9t^2 = 2
t^2 = 0.408
Tf = 0.639 s. = Fall time.

Xo*Tf = 4.4 m
Xo * 0.639 = 4.4
Xo = 6.89 m/s.

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