Asked by Jen
A ball is shot from the top of a building with an initial velocity of 20 m/s at an angle θ = 39° above the horizontal. If a nearby building is the same height and 55 m away, how far below the top of the building will the ball strike the nearby building?
Answers
Answered by
Steve
the horizontal speed is constant: 20 cos39°
The vertical position is
(20 sin39°)t - 4.9t^2
so, figure how long it takes to go 55m, then use that to get the relative height at that time.
The vertical position is
(20 sin39°)t - 4.9t^2
so, figure how long it takes to go 55m, then use that to get the relative height at that time.
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