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A heat engine with an efficiency of 35% performs 160j of work
a) how much heat is discharged to the lower temperature.
b) if the temperature of the how reservoir Th = 700k and the temperature of the cold reservoir Tc = 280K what is the ratio of the efficiency of this engine to the maximum pssible efficiency for these temperatures, Th and Tc.
Calculate the work done on 0.205 mol of methane when it is compressed from 10.0 L to 2.25 L at 25 degree's Celsius, assuming that methane is (a) an ideal gas and (b) a van der Waals gas.
A 0.600 kg ball falls directly down onto concrete, hitting it with a speed of 13.5 m/s and rebounding directly upward with a speed of 3.00 m/s. What is the impulse on the concrete
A ship sets sail from Rotterdam, The Netherlands, heading due north at 5.00 m/s relative to the water. What is the velocity of the ship
An outfielder throws a 0.150 kg baseball at a speed of 20.0 m/s and an initial angle of 30.0°. What is the kinetic energy of the ball
The incident electron loses energy The incident electron emits an x-ray.
What is the difference between voltage current characteristics for intrinsic and extrinsic semiconductor in both forward in addition to reverse direction.
Below are birds-eye views of six identical toy cars moving to the right at 2? Various forces act on the cars with magnitudes and directions indicated below. All forces act in the horizontal plane and are either equivalent or at 45 or 90 degrees to ca..
A circus clown wiwith a mass 54 kg is launched vertically from a springloaded cannon using a spring with a spring constant of 3.5*10^3 N/m. What is maximum speed of clown
A block of ice of mass 0.4 kg and initial temperature T = 0 oC is placed in a sealed insulated container full of Helium gas, What is the mass of the liquid water
A 2000 kg statue falls into a circular jacuzzi with a diameter of 5 m, What is the average density of the statue
A stockroom worker pushes a box with mass 60.0kg on a horizontal floor with a constant speed of 2.50m/s. How far does the box slide after the worker stops pushing
The specific heat capacity of the material use to make the block is C resolve the temperature rise that results from the collision in terms of C and the other given quantities.( suppose that no energy is transferred to the track or the surrounding..
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