A liquid of density 750 kgm-3 flows smoothly through a horizontal pipe that tapers in cross-sectional area from A1 = 1.2 × 10-2m2 to A2 =
The pressure difference between the wide and narrow sections of the pipe is 4500 Pa. The rate of flow of liquid is_________ × 10-3m3s-1.
A liquid of density 750 kgm-3 flows smoothly through a horizontal pipe that tapers in cross-sectional area from A1 = 1.2 × 10-2m2 to A2 = The pressure difference between the wide and narrow sections of the pipe is 4500 Pa. The rate of flow of liquid is_________ × 10-3m3s-1.
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1 Answer
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Given A2 =
Bernoulli’s b/w (1) & (2)
[z1 = z2]
[Q = A1V1 = A2V2]
= 2.4 × 10-2 m3 /sec
= 24 × 10-3 m3 /sec
= 24
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Q = [4 *4.0026 – 15.9994] *931.5 MeV
Q = 10.2 MeV
-(1)
for B,
for B,
-(2)
The reaction is X²? → Y¹²? + Z¹²?
Binding energies per nucleon are: X=7.6 MeV, Y=8.5 MeV, Z=8.5 MeV.
Gain in binding energy (Q) = (Binding energy of products) - (Binding energy of reactants)
Q = (120 × 8.5 + 120 × 8.5) - (240 × 7.6) MeV
Q = (2 × 120 × 8.5) - (240 × 7.6) MeV = 2040 - 1824 = 216 MeV.
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