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If a reversible heat engine operating between thermal reservoirs at 800°C and 30°C drives a reversible refrigerator which operates between -15°C and 30°C. The heat supplied to engine is 1900 kJ and there is a net work output of 290 kJ. die Determine (i) The cooling effect Cod (ii) Total heat transfer to 30°C thermal reservoir.
AnsweredMazurek Gravity asked 7 months ago • 
76 views1 answers0 votes
Two charges q are placed at distance d apart a charge -q is placed at mid point and thrown with kinetic enery 64joule and after some time it velocity became zero then displacement 9f charge -q
OpenG Teja asked 8 months ago • 
114 views0 answers0 votes
A coil has 2.25Ω resistance and 440 mH inductance. If the current is 3.00 A and is increasing at a rate of 3.50 As-1 , what is the potential difference across the coil at this moment?
OpenKristin asked 8 months ago • 
356 views0 answers0 votes
A uniform 3.00-kg rope 24.0 m long lies on the ground at the top of a vertical cliff. A mountain climber at the top lets down half of it to help his partner climb up the cliff. What was the change in potential energy of the rope during this maneuver?
OpenKavita Kumari asked 8 months ago • 
156 views0 answers0 votes
An athlete competing in the long jump leaves the ground with a velocity of 5.6 m s−1 at an angle of 30° to the horizontal. a) Determine the vertical component of the velocity and use this value to find the time between leaving the ground and landing.
OpenTadiva asked 8 months ago • 
488 views0 answers0 votes
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