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1. |
A ship with jet propulsion draws water through inlet orifices at right angles to the direction of its motion. The propelling force of the jet is (where a = Area of the jet, Vr = Relative velocity of the jet and ship = V + v, v = Velocity of the ship, and V = Velocity of the jet issuing from the ship) |
A. | [A]. |
B. | [B]. |
C. | [C]. |
D. | [D]. |
Answer» C. [C]. | |