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A 100 hp car engine operates ata bout 15 percent efficiency. Assume the engine's water temperature of 85°C is it scold-temperature (exhaust) reservoir and 500°C is its thermal "intake" temperature (the temperature of the exploding gas/air mixture).
(a) Calculate its efficiency as a percentage of its maximum possible (Carnot) efficiency.
(b) Estimate how much power (in watts) goes into moving the car.
How much heat, in joules and in kcal, is exhausted to the air per hour?
VANDER WAALS BOND: A fourth type of bonding, which does not involve a transfer or sharing of electrons, is known as the Vander walls bond. It forms in atoms or molecules that b
A convex lens of refractive index 1.5 of focal length 0.2m is immersed in water of refractive index 1.33. Determine the focal length of lens in water.
Determine the Brewster's angle for a glass slab (µ=1.5) immersed in water (µ=4/3).
Starting from Maxwell's electromagnetic equation in free space, Get Poynting theorem.
Q. Illustrate is negative mass antimatter? Answer:- It is false there is really no such thing as negative mass. Yet antimatter has mass which is always a positive (that is
Fast neutrons can be changed into slow neutrons by certain materials known as moderator's when last moving neutrons pass by a moderator, they combine with the molecules of the mod
explain with the aid of a diagram what is meant by the moment of a force about point
Derivation
What is lubricants
Your friend has gifted an earphone set to you. While music is on you will try to oppose the two ear phone pieces to attract. Task-I: Will they repel? If yes, why so? Task-II: Why S
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