(a) The initial vertical velocity of the stone is 16.85 m/s and the initial horizontal velocity is 14.14 m/s.
(b) The final vertical velocity is 0 and the final horizontal velocity is 14.14 m/s.
Initial vertical velocity
The initial vertical velocity of the stone is calculated as follows;
Vi = Vsinθ
Vi = 22 x sin(50)
Vi = 16.85 m/s
Initial horizontal velocity
Vxi = V cosθ
Vxi = 22 x cos(50)
Vxi = 14.14 m/s
Final vertical velocity of the stone
Vf = Vi - gt
where;
- Vf is the final vertical velocity = 0 at maximum height
Final horizontal velocity of the stone
Vfx = Vxi = 14.14 m/s
Thus, the initial vertical velocity of the stone is 16.85 m/s and the initial horizontal velocity is 14.14 m/s.
The final vertical velocity is 0 and the final horizontal velocity is 14.14 m/s.
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