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During each cycle a reversible engine absorbs 2550 Joule of heat from a high-temperature reservoir and performs 2100 Joule of work.
Part A. Determine the efficiency of this engine?
Part B. Find how much heat is exhausted to the low-temperature reservoir during each cycle?
(J)
The track for a racing event was designed so that riders jump off the slope at 30 angle, from a height of 5 ft. Determine the maximum height he attains
A ship on the surface of the ocean receives a sonar echo back from an underwater object. The echo path from the object to the ship is at an angle of 22 degrees above the horizontal and takes 2.5s to return. (Velocity of sound in sea water = 1500m/s)...
a hot-air balloon is ascending at the rate of 11 ms and is 59 m above the ground when a package is dropped over the
Through a particular process, the pressure of the gas in a heat engine increases from 1.62×105 Pa to 2.64×105 Pa, while the volume decreases from 3.34×102 m3 to 2.74×102 m3. The pressure-volume graph is a straight line.
A spring attached to the ceiling of an elevator is 10 cm long when nothing is hanging from it. It is 12 cm long when a certain mass is hanging from it and the elevator is at rest. If the elevator moves upwards at an increasing speed of 4m/s^2, how lo..
King Arthur's knights fire a cannon from the top of the castle wall. The cannonball is fired at a speed of 50 m/s and at an angle of 35°. What is the ball's maximum height above the ground
a horizontal spring mass system oscillates on a frictionless table. find the maximum extension of the spring
pressurized water pin10bar ti110c enters the bottom of 10m vertical tube of d100mm at mass flow rate1.5 kgs. there is
A transformer is constructed that has 120 turns of wire on the primary side and 430 turns of wire on the secondary (load) side. what is the AC current measured on the secondary side
a mixture of ordinary hydrogen atom and tritium a hydrogen isotope whose nucleus is approximately 3 times more massive
A photon emitted as a hydrogen atom undergoes a transition from the n=5 state to the n=2 state. find the energy of the emitted photon
Calculate, using Newton's law of gravity, the size of the force of attraction between the Earth and a mass of 5.0kg on the Earth. Data: Distance to the center of Earth from thesurface = 6370 km. Mass of Earth = 5.98*1024 kg.
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