Engineering Board Exam Reviewer · Engineering Mechanics · hard
A projectile is launched with an initial speed of 22 m/s at an angle of 30° above the horizontal. Neglecting air resistance, what is its horizontal range? (g = 9.81 m/s2)
- 24.67
- 1.94
- 85.45
- 42.73
Answer
D. 42.73
Solution
Range R = (v02 (2 )) / g = (222 × (60°)) / 9.81 = 42.73 m.
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