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yankees26an
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Homework Statement
A stone is thrown off a high cliff with speed 30m/s at an angle 0 degrees. At what angle is the stone's velocity 2 seconds after it's thrown. (measired with respect to the horizontal x direction(angle will be negative))
Homework Equations
angle = tan(Vy/Vx)
The Attempt at a Solution
V = velocity
Vx = stays constant = 30m/s
Vy = Vyo + ay*t = 30 m/s + 19.6 m/s = 49.6 m/s
angle = tan(49.6/30) which is wrong