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1. |
The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is%! |
A. | (waV/2g) × sin θ |
B. | (waV/g) × sin θ |
C. | (waV²/2g) × sin 2θ |
D. | (waV²/g) × sin θ |
Answer» D. (waV¬¨‚â§/g) ‚àö√≥ sin ≈í‚àè | |