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A Carnot engine absorbs 4.65 x 103 J from the hot reservoir and expels 3.12 x 103 J to the cold reservoir during each engine cycle. If the temperature of the cold reservoir is 493 K, what is the temperature of the hot reservoir?
How much force does a 150,000 N/C force exert on a deuteron.
What is the kinetic energy of a ball of mass 16.1 kg at the apex (highest point) of its trajectory, if it is thrown with an initial speed of 45 mph and an initial angle of 42.8 o with respect to the horizontal?
Two particles are fixed to an x axis: particle 1 of charge q1 = 1.86 x 10-8 C at x = 27cm and particle 2 of charge q2 = -3.63q1 at x = 77.7cm. At what coordinate on the x axis is the electric field produced by particles equal to zero.
A 60 gram iron at 60o C is dropped into 200 gram of water at 20o C, What is the final equalibrium temperature of the system
An explorer in dense jungles of equatorial Africa leaves his hut. He takes 41 steps at an angle 45 north of east, then 81 steps at an angle 60 north of west, then 51 steps due south. Suppose his steps all have equal length. Save him from becoming ..
The scale of a spring balance reading from 0 to 230 N has a length of 15.0cm. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.40 Hz. What is the mass of the fish ignoring the mass of the spring.
A student drops two metallic objects into a 120-g steel container holding 150 g of water at 25°C. One object is a 230-g cube of copper that is initially at 85°C, What is the mass of the aluminum chunk
Carl and Lenny are trying to find Carl's keys that are beeping-he attached a device to beep when you whistle for this purpose, how far is Lenny from the key's
A member of an aircraft maintenance crew wears protective earplugs that reduce the sound intensity by a factor of 350. When a jet aircraft is taking off.
A horse is capable of moving at four different speeds: walk (1.9 m/s), trot (5.0 m/s), canter (7.0 m/s), and gallop (12 m/s). An is learning how to ride a horse, what was her average velocity over the trip
An AC voltage with an amplitude of 114 V is applied to a series combination of a 247 ?F capacitor, Calculate the power dissipated by the circuit at a frequency of 60.0 Hz
Illustrate what is the total amount of Construction Expenses that Seasons will recognize for the year ended December 31, 2011?
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