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An ice plant working on a reversed Carnot cycle heat pump produces 15 tonnes of ice per day. The ice is formed from water at 0°C and the formed ice is maintained at 0°C. The heat is rejected to the atmosphere at 25°C. The heat pump used to run the ice plant is coupled to a Carnot engine which absorbs heat from a source which is maintained at 220°C by burning liquid fuel of 44500 kJ/kg calorific value and rejects the heat to the atmosphere.
Determine :(i) Power developed by the engine ;(ii) Fuel consumed per hour.Take enthalpy of fusion of ice = 334.5 kJ/kg.
A 0.70-m-diameter vat of liquid is 2.7m deep. The pressure at the bottom of the vat is 1.5atm. What is the mass of the liquid in the vat
a projectile is launched on the earth with a certain initial velocity and moves without air resistance. another
In a particular location, the horizontal component of the earth's magnetic field has a magnitude of 2.00 10-5 T. An electron is shot vertically straight up from the ground with a speed of 2.10 106 m/s. What is the magnitude of the acceleration caused..
A 1960 kg weather rocket is launched straight up. The rocket motor provides a constant acceleration for 22.03 s, then the motor stops. The rocket altitude 26.3 s after launch is 6641. You can ignore any effects of air resistance.
A projectile is fired from point 0 at the edge of a cliff, with initial velocity components of v0x=60 m/s and v0y=175 m/s, What is the magnitude of the velocity of the projectile 21.0s after it is fired
High-speed photos of a 200?g flea jumping vertically show that the jump lasts 1.5ms and involves an average vertical acceleration of 110 g, What's the change in the flea's momentum during its jump
A second baseman tosses the ball to the first baseman, who catches it at the same level from which it was thrown. Find the ball direction of motion just before it is caught
a refrigerator has a coefficient of performance of 3.00. the ice tray compartment is at -20.0oc and the room
a rock band playing an outdoor concert produces sound at120 rm db 5.0 rm m away from their single working loudspeaker.
A man of mass m = 70.0 kg pushes a rotating platform of mass M = 85.0 kg and radius R = 3.00 m at the playground with a tangential force tF of magnitude 55.0 N for 10.0 s. Ignore air resistance.
The drawing shows three objects. They are connected by stringsthat pass over massless and friction-free pulleys. The objectsmove, and the coefficient of kinetic friction between the middleobject and the surface of the table is 0.144.
calculate the terminal velocity of a 1.0 cm bug. assume that the density of the bug is 1.0 gcm3.and the bug is
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