Question

A certain heat engine does 9.4 kJ of work and 8.5 kJ of heat is transfered to the environment in a cyclical process.

What was the heat transfer into this engine in kJ?

What was the engine’s efficiency in percent?
 
 
 

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: Fill in the boxes

A: Given data: Final speed of electron is, v2=v14.

Q: Why do we feel hot after a long period of running or doing exercise?

A: When we do running or any exercise, it will lead to increase in the muscular activity.

Q: a mass is tied to a spring and begins vibrating periodically . the distance between its highest and ...

A: Given data: Distance between the highest and lowest position is, d=38 cm.

Q: An electric eel can generate a 200V, .2 A shock for stunning its prey. What is the eel's power putpu...

A: To found the power output of an electric eel

Q: Find the net torque on the wheel in the figure below about the axle through O perpendicular to the p...

A: a = 9 cm b = 25 cm F1 = 10 N (east )F2 = 9 N (south)F3 = 12 N ( 30o South of west)Torque formula = R...

Q: Why can a null measurement be more accurate than one using standard voltmeters and ammeters? What fa...

A: Generally a voltmeter is expected to have a very high resistance such that no current flows through ...

Q: The 200-A current through a spark plug moves 0.300 mC of charge. How long does the spark last?

A: Given Data: Current = I = 200 A Charge = Q = 0.300 mC = 0.300 × 10-3 C   The current is the rate of ...

Q: A proton in a large accelerator has a kinetic energy of 175 GeV. (a) Compare this kinetic energy to ...

A: Click to see the answer

Q: A person needs a lens of power -5.5 dioptres for correcting his distant vision. For correcting his n...

A: The power (P) of a lens of focal length f is given by the relation Power (P) = 1/f (i) Power of the ...

Q: Consider the wave function phi(x) = A sin(kx) where k = 2pi/lambda and A is a real constant. (a) Wha...

A: Click to see the answer

Q: A solenoid 46.6 cm long is wound with 175 turns of wire. The diameter of the solenoid is 4.17 cm. Wh...

A: Given: length of solenoid l=46.6 cm =0.466 m number of turns N=175 diameter of wire d=4.17 cm = 0.04...

Q: A 0.15-kg toy car is initially moving at 1.3 m/s. Since the battery is losing power, the toy car has...

A: Click to see the answer

Q: (1%) Problem 16: A submarine is stranded on the bottom of the ocean with its hatch 25 m below the su...

A: Pressure on outside of the hatch of the submarine at 25 m below the surface of sea will be, Po=1.01×...

Q: A beam resting on two pivots has a length of L = 6.00 m and mass M = 92.0 kg.The pivot under the lef...

A: (a) Condition for rotational equilibrium τnet=0n2l-mgx-MgL2=0n2=mgx+MgL2l

Q: A projectile is fired from an angle of 35degrees above the horizontal with a speed of 180m/s. Calcul...

A: In projectile motion maximum height is given by,  hmax=u2sin2θ2g Time of flight of projectile motion...

Q: T3 10.) A helicopter lifts a 100kg crate straight up via cable, with an acceleration of 0.8m/s2. If ...

A: Click to see the answer

Q: A large superconducting magnet, used for magnetic resonance imaging, has a 50.0 H inductance. If you...

A: Inductance of the magnet (L)=50 H Time constant (T)=1 s

Q: ks)The current measured by the ammeter in the circuit is 0.25 A when the switch S is open and 0.45 A...

A: Click to see the answer

Q: Calcúlate the uncertainty for momentum p, when the mass of the object is 15.0 (+-) 0.2kg with a velo...

A: Click to see the answer

Q: An object was released from rest at a certain height. It took the object 5 seconds to reach the grou...

A: Click to see the answer

Q: A tuning fork that vibrates at a frequency 680 Hz is placed over an 80 centimeter long cylinder that...

A: Click to see the answer

Q: A large power plant generates electricity at 12.0 kV. Its old transformer once converted the voltage...

A: GIVEN : Vold=335 kVVnew=750 kV (a) Ratio of no. of turns in secondary coil : Ns,newNs,old=VnewVold P...

Q: What is the maximum force on an aluminum rod with a 0.100-µC charge that you pass between the poles ...

A: Click to see the answer

Q: 1.5 Assume that a 20 V voltage drop occurs across an element from terminal 2 to terminal 1 and that ...

A: Given : Voltage (v) = 20 V Current (i) = 4 A

Q: A moonshiner makes the error of filling a glass jar to the brim and capping it tightly. The moonshin...

A: Expression for Bulk modulus k=V∆P∆V Rearrange in terms of ∆P ∆P=B∆VV=1.8×109 Nm25×10-3=9×106 Nm2m102...

Q: What is the power of a 1.00×102 MV lightning bolt having a current of 2.00 × 104 A ?

A: Given-         V = 1.00 x 102 MV =1.00 x 108 V          I = 2.00 x 104 A  

Q: A deep sea diver should breathe a gas mixture that has the same oxygen partial pressure as at sea le...

A: Partial pressure of oxygen is (20.9/100)*1.01*105 N/m2 = 2.12*104 N/m2

Q: A lightbulb is rated at 75 W when connected to 120 V. (a) What current flows through the bulb in thi...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: A 300 g mass is held 78.0 cm above a vertical spring and dropped from rest. It compresses a spring a...

A: The mass m=300 g=0.3 kg The initial height of the mass h=78.0 cm=0.78 m The compression in the sprin...

Q: 2. Explain these apparent violations of the Conservation Laws. (a) Two asteroids of equal mass and o...

A: a) let mass of each asteroid = m let speed of each asteroid = v direction of each asteroid is opposi...

Q: 4. A bimetallic strip is made of metals A and B. with metal B having a larger expansion than A. On h...

A: 4. we have a bimetallic strip of metals A and B. 

Q: 1. Draw a situation where a force is doing zero work. Explain why the force is doing no work, includ...

A: To explain a situation where work done by a force is zero.

Q: 3.3 a) Find the value of R that will cause 4 A of current to flow through the 80 N resistor ir the c...

A: 40 ohm and 80 ohm resistors are in series , their equivalent resistance = 40 + 80  = 120 ohm Total c...

Q: A helicopter lifts a 100kg crate straight up via cable, with an acceleration of 0.8m/s2. If the crat...

A: Given: The mass of the crate is m=100 kg, The acceleration is a=0.8 m/s2, The total lifted distance...

Q: what is the power of a crane that lifts it uniformly in a hurry to a height of 5 meters during 5 sec...

A: The work done is calculated as, W=mghW=200×9.8×5W=9800 J