Mathematics · Dynamics and Projectile Motion
The horizontal range of a projectile is 30 units and it acquires a maximum height of 10 units. The angle of projection α is given by which of the following equations?
- 125(sin 2α + 1) = 9 (tan α - 1)2
- 225(sin 2α + 1) = 9 (tan α + 1)2
- 39(sin 2α + 1) = 25 (tan α + 1)2✓
- 49(sin 2α + 1) = 25 (tan α - 1)2
Correct answer
9(sin 2α + 1) = 25 (tan α + 1)2
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