Question

Under what conditions can a Carnot engine have 100% efficiency?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Thermodynamics

Related Physics Q&A

Find answers to questions asked by students like you.

Q: At the time of Rutherford’s gold-foil experiment, scientists knew that negatively charged electrons ...

A: Click to see the answer

Q: A simple and common technique for accelerating electrons is shown, where there is a uniform electric...

A: given: Electric field strength . E = 2.54 x 104 N/C

Q: A body of mass m is moving with a velocity v. Write the expression for its kinetic energy.

A: Given: mass = m  velocity = v 

Q: what is the final temperature of mixer of 50g of steam at 100 degree mixed and 170g of ice at its me...

A: Click to see the answer

Q: What happens to light when it falls upon a material that has a natural frequency equal to the freque...

A: When the natural frequency equal to the frequency of light, then resonance takes place.

Q: A body is thrown vertically upwards. Its velocity keeps on decreasing. What happens to its kinetic e...

A: The velocity of the body keeps on decreasing when a body is thrown vertically upward.  

Q: a. Calculate the electric field force on an α Particle at the surface a gold atom presuming that the...

A: Click to see the answer

Q: A ball with an initial velocity of 8.00 m/s rolls up a hill without slipping. Treating the ball as a...

A: Given; The initial velocity of the ball, v = 8 m/s. Consider the ball as a spherical shell. 

Q: Why does a white piece of paper appear white in white light, red in red light, blue in blue light, a...

A: A piece of paper that appears white in sunlight has the property of reflecting any color that is inc...

Q: Consider a tug-of-war as in Figure CQ5.1, in which two teams pulling on a rope are evenly matched so...

A: Click to see the answer

Q: A ball is held in a person’s hand. (a) Identify all the external forces acting on the ball and the r...

A: Given:  a ball

Q: An object having a net charge of 24.0 µC is placed in a uniform electric field of 610 N/C directed v...

A: given: Charge, q = 24 micro Coulomb Electric field,E =  610 N/C

Q: Find the current in a long straight wire that would produce a magnetic field twice the strength of t...

A: Given:  distance, r = 5 cm Earth magnetic field, B = 0.25 x 10-4 T 

Q: A whistle you use to call your hunting dog has a frequency of 42 kHz, but your dog is ignoring it. Y...

A: Given:  frequency,  f = 42 Hz  Apparent frequency, f' = 40 Hz 

Q: Physics Question

A: To Find out Image used in medical imaging

Q: If a fusion reaction produces no appreciable radioactive isotopes, why does a hydrogen bomb produce ...

A: In a hydrogen bomb, nuclear fusion reaction is preceded by nuclear fission reaction of Uranium eleme...

Q: What net external force is exerted on a 1100-kg artillery shell fired from a battleship if the shell...

A: Mass of artillery shell M=1100kg Acceleration of artillery shell 'a'= 2.40 x 10^4

Q: Given the polar character of water molecules, explain how ions in the air form nucleation centers fo...

A: Click to see the answer

Q: How does gravity affect the skater who starts at a same height among the Earth, Moon and Jupiter?

A: Click to see the answer

Q: The speed of light is now defined to be 2.997 924 58 × 108 m/s. Express the speed of light to (a) th...

A: Click to see the answer

Q: If electrons are made to vibrate to and fro at a few hundred thousand hertz, radio waves are emitted...

A: Electromagnetic waves are generated when an electron oscillates at a particular frequency. The frequ...

Q: All objects radiate energy. Why, then, are we not able to see all the objects in a dark room?

A: Every object at room temperature radiate energy and that is true. But the energy radiated by the obj...

Q: Q3. Use the method of joints to determine the magnitude and type of the internal axial forces for ea...

A: Click to see the answer

Q: The two children (fig shown) are balanced on a seesaw of negligible mass. (This assumption is made t...

A: Using the condition for equilibrium, the sum of torque on both children are zero. Now the equation f...

Q: Q1/ Due to a jaw injury, a patient must wear a strap as in the figure below that produces a net upwa...

A: Click to see the answer

Q: (a) What current is needed to transmit 1.00×102 MW of power at 10.0 kV?      (b) Find the resistance...

A: Click to see the answer

Q: A light spring of constant k = 170 N/m rests vertically on the bottom of a large beaker of water (Fi...

A: Draw the free-body diagram of the block.

Q: Two plate fins of constant rectangular cross section are identical, except that the thickness of one...

A: Click to see the answer

Q: Compare the size of the Moon on the horizon with its size higher in the sky. One way to do this is t...

A: The moon appears bigger when it is near the horizon however the distance between the Moon and Earth ...

Q: A thin 1.5-mm coating of glycerine has been placed between two microscope slides of width 1.0 cm and...

A: Given: thickness, dx= 1.5 mm = 0.0015 m  length,l = 4 cm width, W = 1 cm  velocity ,dv = 0.3 m/s

Q: A ball is thrown straight upward and returns to the thrower’s hand after 3.00 s in the air. A second...

A: Given:  First ball:  Time to go and back = 3 s  Second ball: Angle of projection = 30 degree 

Q: A dated box of dates, of mass 5.00 kg, is sent sliding up a frictionless ramp at an angle of to the ...

A: The acceleration of the box,

Q: Pretend that galaxies are spaced evenly, 7.0 Mpc apart, and the average mass of a galaxy is 1.0 ✕ 10...

A: The average density of matter in the universe is given by

Q: An ideal Otto cycle with a specified compression ratio is executed using (a) air, (b) argon, and (c)...

A: The thermal efficiency of Otto cycle is given by,

Q: The displacement of a particle executing simple harmonic motion is x=0.5cos (314t -0.3)m . Find (i) ...

A:  

Q: Question 21 11 Ω 13 2 b a 6.0 V 0.6 A 15Ω 17.0 V IT1, 0.3 A d 192 30 Ω 25 2 0.4 A 23 Ω 19Ω 10.5 A 11...

A: Click to see the answer

Q: Physics Question

A: When a receiver is moving farther away from source emitting sound then the frequency of the sound wa...

Q: (a) Estimate the time it would take to fill a private swimmingpool with a capacity of 80,000 L using...

A: Click to see the answer

Q: Using Kirchoff rules and calculate currents

A: Click to see the answer

Q: Consider a 0.15-mm diameter air bubble in a liquid. Determine the pressure difference between the in...

A: Click to see the answer

Q: How does regeneration affect the efficiency of a Brayton cycle, and how does it accomplish it?

A: By adding heat to the system, the regeneration increases the cycle efficiency of a Brayton cycle.

Q: In (Figure 1), how much force does the fluid exert on the end of the cylinder at A?  How much force ...

A: Given: Height of left cylinder (h) = 100 cm = 1 m. Diameter of left cylinder (d) = 4.0 cm = 0.04 m. ...

Q: A manned rocket accelerates at a rate of 20 m/s2during launch. How long does it take the rocket to r...

A: The acceleration of the manned rocket,

Q: Why do different isotopes of the same element have the same chemical properties?

A: Click to see the answer

Q: (a) What is the maximum torque on a 150-turn square loop of wire 18.0 cm on a side that carries a 50...

A: Click to see the answer

Q: An old streetcar rounds a flat corner of radius 9.1 m, at 16 km/h.What angle with the vertical will ...

A: Given:  radius, r = 9.1 m  velocity, v = 16 km/h = 4.44 m/s  

Q: Electric charge is distributed throughout 3-space with density inversely proportional to the distanc...

A: Given,