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1. |
_ The horizontal range of a projectile (R) is given by$? |
A. | R = u² cos2α/g |
B. | R = u² sin2α/g |
C. | R = u² cosα/g |
D. | R = u² sinα/g |
Answer» C. R = u¬¨‚â§ cos≈í¬±/g | |