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A Carnot engine absorbs 53.2 kJ as heat and exhausts 33.0 kJ as heat in each cycle. Calculate (a) the engine's efficiency (no unit) and (b) the work done per cycle in kilojoules.
A 390 g glass coffee cup is at a room temperature of 20?C. It is then plunged into hot dishwater at 80 ?C. how much heat does the cup absorb
A solenoid of length 5.4 cm and diameter 0.92 cm is wound with 167 turns per cm, What is the induced emf in the entire solenoid
A piece of wood is 6.00 m long, 0.260 m wide and 0.060 m thick. Its density is 600kg/m cubed. What volume of iron ( P iron = 7.8 x 10 cubed kg/m cubed) must be fastened underneath the wood to sink it so that the top surface of the wood is just even w..
When four people with a combinedmass of 340kg sit down in a car, they findthat the car drops 0.50cm lower on its springs, What is the frequency of the car's vibration if its mass (when it is empty) is 2.0 x 103 kg
A projectile is fired vertically from Earth's surface with aninitial speed of 4.6 km/s. Neglecting air drag, how far above thesurface of Earth will it go
Which of the following sets of variables result in a linear graph when plotted? (Choose as many as two)
A 1.80-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 2.30sin(2?t), Find the angular frequency of the driven system
a multi-turn square loop of wire 2.0 cm on each side is oriented so that a 5.00 mt magnetic field makes a 30.00 angle
An unknown nucleus has twice the volume of a nucleus with 62 nucleons. What is the atomic mass number of the unknown nucleus
Two thin lenses with a focal length of magnitude 19.5cm , the first diverging and the second converging, are located 14.6cm apart. How far from this first lens is the final image formed
You set up an experiment with two polarizer screens on an optical bench and collect data for the intensity of the light, What is ambient light in the room as you took your data
A geothermal power plant is supplied with water at a well bottom temperature of 225 degrees C and a pressure of 8 MPa. The fluid flows into a flash separator maintained at 40 KPa. The turbine exit pressure is 10KPa.
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