Parabolic Motion (Calculated from Altitude and Distance)
Calculate the initial velocity, launch angle, and flight time when an object is launched without air resistance and reaches a certain altitude and distance.

| Initial velocity v | m/s |
| = | km/h |
| Launch angle θ | ° |
| Time in the Air t | seconds |
| \(\normalsize Parabolic\ motion\\ (1)\ v={\large\frac{v_y}{\sin\theta}}={\large\frac{\sqrt{2gh}}{\sin\theta}}\\ (2)\ \theta=\tan^{\tiny -1}{\large\frac{v_y}{v_x}}= \tan^{\tiny -1}{\large\frac{4h}{l}}\\ (3)\ t=2\sqrt{\large\frac{2h}{g}}\\\) |
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