Q 4: A jet of water, having a velocity of 20 m/s, strikes a curved vane which is moving with a velocity of 9 m/s. The vane is symmetrical and is so shaped that the jet is deflected through 120°. Find the angle of the jet at inlet of the vane so that there is no shock. What is the absolute velocity of the jet at outlet in magnitude and direction and the work done per second per unit weight of water striking? Assume the vane to be smooth.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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A jet of water, having a velocity of 20 m/s, strikes a curved vane which is moving with a velocity of
9 m/s. The vane is symmetrical and is so shaped that the jet is deflected through 120°. Find the angle of
the jet at inlet of the vane so that there is no shock. What is the absolute velocity of the jet at outlet in
magnitude and direction and the work done per second per unit weight of water striking? Assume the
vane to be smooth.

Q 4: A jet of water, having a velocity of 20 m/s, strikes a curved vane which is moving with a velocity of
9 m/s. The vane is symmetrical and is so shaped that the jet is deflected through 120°. Find the angle of
the jet at inlet of the vane so that there is no shock. What is the absolute velocity of the jet at outlet in
magnitude and direction and the work done per second per unit weight of water striking? Assume the
vane to be smooth.
((i) 17° (ii) 5.96 m/s (iii)79.6° (iv) 18.59 m/s)
Transcribed Image Text:Q 4: A jet of water, having a velocity of 20 m/s, strikes a curved vane which is moving with a velocity of 9 m/s. The vane is symmetrical and is so shaped that the jet is deflected through 120°. Find the angle of the jet at inlet of the vane so that there is no shock. What is the absolute velocity of the jet at outlet in magnitude and direction and the work done per second per unit weight of water striking? Assume the vane to be smooth. ((i) 17° (ii) 5.96 m/s (iii)79.6° (iv) 18.59 m/s)
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