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Solve all the the question clearly stepwise and with ralatable diagrams.
QUESTION:
(a) For polytropic law (Pv n = C), show that for perfect gas; P1/P2 = (v2/v1) n and T1/T2 = (P1/P2) (n - 1)/n
(b) Steam at a pressure of 3 MPa and with a temperature of 250oC is mixed with wet steam at a pressure of 3 MPa and with a dryness fraction of 0.92 in the ratio of 1:2.5 by mass, Determine:
(a) the quality of the steam mixture
(b) the density of the steam mixture
A recording engineer works in a soundproofed room that is 50.0 dB quieter than the outside. what is the intensity outside
Explain why there are two general families of planets, rocky terrestrial and gaseous jovian. What knowledge do comets and asteroids provide to studies of the origin of the solar system?
Assume that radiant energy from the sun arrives at your location with an intensity of 850 W/m2. In this EM radiation, what are the maximum values of the radiated electric and magnetic fields?
A hot-air balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. What is the acceleration of the rising balloon
consider a square of side 44 cm. let one corner point p be charge-free while the other three of the four corners have
A proton (mass 1.67 x 10^-27 kg) is moving at 1.30 x 10^-6 m/s directly toward a stationary helium nucleus (mass 6.64 x 10-27 kg ). what is the proton's velocity
A block of mass 3.0 kg lies on a horizontal surface. The coefficient of static friction among the block and the surface is 0.470. By raising one end of the surface, the angle (relative to horizontal) of the surface is slowly increased. At what angle ..
a cable with 17.0 n of tension pulls straight up on a 1.10 kg block that is initially at rest. what is the blocks speed
a) Describe what happens to each ice cube (and why) b) If (Lv)Nitrogen =48 kcal/kg, (LF)Nitrogen = 6.1 kcal/kg, and cNitrogen =0.15 kcal/(kg °C), determine how much heat would be needed to produce 100 grams of nitrogen gas at 20°C. c) Determine th..
An electric dipole lies on the x-axis, consisting of a -2.7nC charge at x = -11cm and a +2.7nCcharge at x = 11cm. Find the magnitude of the electric field
A 2-kg book with no initial velocity slides down an inclined plane with an angle of 20 degrees a total of 2 meters. The force of friction does 10 Joules of work, what is the final kinetic energy of the system as the book reaches the bottom of the ..
A certain freely falling object requires 1.65 s to travel the last 24.5 m before it hits the ground. From what height above the ground did it fall
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