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a) A Carnot engine operates between a hot reservoir at 355.0 K and a cold reservoir at 265.0 K. If it absorbs 510.0 J of heat per cycle at the hot reservoir, how much work per cycle does it deliver?
b) If the same engine, working in reverse, functions as a refrigerator between the same two reservoirs, how much work per cycle must be supplied to remove 920.0 J of heat from the cold reservoir?
Maddie is standing still when her dancing partner, Paul, begins to lift her up and throw her into the air. What is Maddie's vertical velocity when Paul releases her
The resistivity of gold is 2.44 x 10-8 ohms.m at room temperature. A gold wire that is 0.9 mm in diameter, What is the electric field in the wire
In an open RC circut, the total resistance is 15Kohms and the battery emf is 24 and constant is measured to be 35 microsecond calculate (a) the total capacitance of the circuit
The center of gravity of a 5 kg lower leg is 18 cm from the knee. When pivoted at the knee and allowed to swing, Find the moment of inertia of the lower leg
Your car achieves 30 miles per gallon and weighs 3000 pounds. What approximately is the percentage of the energy spent on the journey that actually goes to "moving you
Classically, the electron cannot pass through the barrier because E
Transverse waves travel at 20.8 m/s on a string that is under a tension of 7.00 N. What tension is required for a wave speed of 30.8 m/s in the string
A vertical electric field of magnitude 2.45 104 N/C exists above the Earth's surface on a day when a thunderstorm is brewing. Determine the electric flux through the bottom of the car
A 0.283-m-thick sheet of ice covers a lake. The air temperature at the ice surface is -17.7 °C. calculate the number of millimeters by which the ice thickens
Deriving the Hawking temperature T = (hbar)c^3/8(pi)kBGM rigorously from quantum field theory is beyond our scope. However, we can make its form plausible by the following considerations. Assume a particle– antiparticle pair having a rest mass m..
The magnetic field produced by an MRI solenoid 3.0m long and 1.8m in diameter is 1.6T. Find the magnitude of the magnetic flux through the core of this solenoid
A block of mass M hangs from a spring having spring constant k = 12 N/m and oscillates up and down with simple harmonic motion. What is the maximum speed of the block
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