A certain heat engine operating on a Carnot cycleabsorbs410 J of heat per cycle at its hot reservoir at 135C and hasa thermal efficiency of 22.0%. How much work does this engine do per cycle?

Q: On an avenue, a car travels with a speed of 38 m / s. If the speed limit of 75 mi / hr., will the dr...

A: Speed of car is 38 m/s. Let it be V. Speed limit is 75 mi/hr.  

Q: An 8.00 kg box sits on a ramp that is inclined at 33.0 above the horizontal. The coefficient of kin...

A: Given: Mass of box, m=8 kgAngle of inclination,θ=33oCoefficient of kinetic friction, μk=0.3Horizonta...

Q: A surveyor’s 30.0 m steel tape is correct at 20.0°C. The distancebetween two points, as measured by ...

A: Given data T1=20°CT2=5°Cl0=25.97 m

Q: How many electrons must be removed from an uncharged spherical conductor of radius 0.300 m to produc...

A: The potential at the surface of a charged spherical conductor can be calculated using Gauss's law.  ...

Q: When you check the air pressure in a tire, a little air always escapes; the process of making the me...

A: There are many process in experimental physics, in which the measurement disturbed the actual physic...

Q: Can you solve it plz

A: Equation  yx =A cosBx+C    

Q: In medical work, pressures are often measured in units of mm of H2O because body fluids, including t...

A: Given,  The pressure 160 mm of H2O.

Q: A microwave oven sets up a standing wave of wavelength12.2 cm between two parallel conducting walls ...

A: Given: wavelength λ=12.2cm=0.122m d=48.8cm  

Q: Tungsten (W) crystallizes in cubic structure. The edge length of the unit cell of this crystal struc...

A: Here the concept of Bragg's diffraction will be followed.  Bragg's diffraction law gives2dhkl sin θ=...

Q: Classify the components as most accurately describing cofactors, coenzymes, or neither. Cofactors Co...

A: Zn2+, metal ion, CoQ, ascorbic acid, FAD, protease

Q: How can the thermal conduction of heat from a hot object to a cold object increase entropy when the ...

A: Concept used: Second law of thermodynamics is used. Heat flows from a hotter object to a colder one.

Q: An athlete whirls a discus in a circle of radius 80.0 cm. At a certaininstant, the athlete is rotati...

A: Given: The radius of discus is r=80.0 cm. The angular speed of discus is ω=10.0 rad/s. The angular ...

Q: The probability of a photon interacting with tissue via the photoelectric effect or the Compton effe...

A: Express the relation for the energy as: E=hcλ Here, h is the Planks constant, c is the speed of ligh...

Q: 1. A current-carrying loop in a uniform magnetic field is shown in the figure below. The loop is rec...

A:

Q: A trapese artist must make a quadruple somersault in t = 1.7 seconds.  For the first and last quarte...

A: Given t=1.7 seconds I1=19.9 kg/m^2 I2=3.92 kg/m^2   Angular momentum conservation I1*w1=I2*w2 w1=I2*...

Q: Shown below is a circuit that supplies energy to a device, The device is a load resistor which is eq...

A: (a) Let RL denotes the load resistance, Rd denotes the variable resistance, V denotes the applied vo...

Q: Planet X rotates in the same manner as the earth, around an axis through its north and south poles, ...

A: From the given quantities, we calculate the angular speed of the planet and its acceleration due to ...

Q: A sailor in a small sailboat encounters shifting winds. She sails 2.00 km east, next 3.50 km southea...

A: According to question, she moves 2km east then 3.5 km in 45o south of east  and after some distance ...

Q: Protostar A. among the most massive and brightest stars Main Sequence B. a star after it has used al...

A: A protostar is a star that has just begun formation, and over the next years will completely turn in...

Q: A 2.0 kg particle P has a position vector r of magnitude 3.0 m and angle θ1=45º and a velocity vecto...

A:

Q: A type-II superconductor in an external field between Bc1 and Bc2 has regions that contain magnetic ...

A: Answer:   As per the given statement,    

Q: Please solve these problems.. thank you

A:

Q: Q: 1) Three point charges of -2x10°, -1x10° and 3x10 C are located at (0,0,0), (1,0,0) and (0,1,0), ...

A: Given q1=-2x10-9C q2=-1x10-9C q3=3x10-9C Line extended from A(0,0,0) to B(0,0,1)  Have charge densit...

Q: In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refr...

A: Given data n1=1n2=1.4s=40 cms'=2.6 cm

Q: Hi can you solve it plz we have enough information for its

A: Answer:

Q: An ideal spring stores potential energy U0 when it is compressed a distance x0 from its uncompressed...

A: (a). If the spring is compressed x0 then the potential energy of the spring can be written as, U0=12...

Q: Find the x- and y-coordinates of the center of mass of a system composed of the following particles:...

A: Given data m1=0.5 kgm2=1.25 kgm3=0.75 kgx1=0x2=0.15 mx3=0.2 my1=0y2=0.2 my3=-0.8 m

Q: Q1. Write down the physical feature of magnetic mirror in plasma.

A: Magnetic mirror, static magnetic field that, within a localized region, has a shape such that approa...

Q: In a physics laboratory experiment, a coil with 200 turns enclosingan area of 12 cm2 is rotated in 0...

A: Given: Number of turns in coil, N=200Area, A=12 cm2=12×10-4 m2Change in time, ∆t=0.040 sMagnetic fie...

Q: A 0.160 kg hockey puck is moving on an icy, frictionless, horizontal surface. At t = 0, the puck is ...

A: Part (a) Given: The mass of puck is m=0.160 kg. The initial velocity of puck is u=3.00 m/s. The for...

Q: Four astronauts are in a spherical space station. If, as is typical, each of them breathes about 500...

A: Generally, a person takes around 14 breaths per minute. It is given that the astronaut breathes abou...

Q: AV = = 6x 10c 25z 10F What will happen to the potential difference b. Capacitance C to 6x 10F? How?

A: Relation between Voltage / Potential difference , Charge and Capacitance:   We know that q =CV     

Q: A nearsighted person can’t clearly see objects farther than 30.0 cm from their eyes. We want to pres...

A: Given :       For a nearsighted person, object distance, u = ∞                                      ...

Q: You are using a hammer to pull a nail from the floor. Force F⃗ 2 is the force you apply to the handl...

A: Here The force F1 is directed along the length of the nail, and so has a moment arm of (0.080 m)sin6...

Q: When viewing a piece of art that is behind glass, one often is affected by the light that is reflect...

A: Part (a) Given: The refractive index of glass is ng=1.62. The refractive index of coating material ...

Q: Question in picture

A: Given equation, PD=D2+ωξD+ξ2   To check stability, b2-4ac=ωξ2-4×ξ2=ω2ξ2-4ξ2=ω2-4ξ2

Q: A thin, square steel plate, 10 cm on a side, is heated in a blacksmith’sforge to 800°C. If the emiss...

A: Temperature T=800°C=1073 °Kemissivity e =0.60 Area A=0.1×0.1m

Q: 3. An infinitely thin ring has an inner radius "a" and an outer radius "b" is placed on xy-plane as ...

A:

Q: Four identical masses of 7.3 grams are placed at the corners of a square with a side length of d = 2...

A: The gravitational potential energy between two masses m1 and m2 at distance r is given by   Where G...

Q: A light bulb is 3.00 m from a wall. You are to use a concave mirror to project an image of the bulb ...

A: Given: Distance of light bulb from the wall is 3.00m. Magnification is 3.50.

Q: Carbon is one of the fundamental elements in everything that's alive on Earth. The three naturally o...

A: The mass limit can be determined by putting the value of time as the limit for the carbon dating.  

Q: is the following statement true? If not, why? Within the system, both the momentum and kinetic energ...

A: Elastic collision:- The collision in which energy and momentum of the system are conserved. For exam...

Q: A reversible engine contains 0.2 mol of monotonic ideal gas withγ= 1.3.The gas goes through the foll...

A: (a) Given: (A) pA= 5.0 atm, VA= 2 L (B) pB= 2.0 atm, VB= 5 L (C) pC= 1.0 atm, VC= 5 L (D) pD= 1.0 at...

Q: Problem 3.36 (3rd edition): Two long straight wires, carrying opposite uniform line charges +1, are ...

A: Given charge density of both wires are, ±λ radius of conducting cylinder is R distance from the cent...

Q: Explain why managing the reflection of a silicon solar cell is so important andillustrate the mechan...

A: Introduction: A solar cell or photovoltaic cell is an electrical device that converts the energy of ...

Q: 2Frid the Value of the Charge, Q, before and after Clsning the Key, inthe following Circiir C3 CI C,...

A: If the capacitors are connected in series then the equivalent capacitance is 1cs=1c1+1c2+… If the ca...

Q: You drive north on a straight two-lane road at a constant 88 km/h. A truck in the other lane approac...

A: Given: The speed of us is 88 kmh. The speed of truck is 104 kmh. Introduction: Relative velocity is ...

Q: Two identical 0.900 kg masses are pressed against oppositeends of a light spring of force constant 1...

A: The mass of two objects is given as, m1 = m2 = m = 0.900 kg The force constant of the spring is give...

Q: Rank the following objects in order of their kinetic energy, from least to greatest. (i) A 2.0 kg ob...

A: K.Ef=K.Ef+W=12mv2+W (i)  K.E1=12mv2=12252=25J (ii) K.E2=1210+30=30J (iii) K.E3=12142+20=28J (iv) K.E...

Q: Solid state: Find the angle between the(0 0 1) and (1 1 1) directions in a cubic crystal

A: The angle between two vectors is given by, cos(Θ)=A→·B→AB   For the given two vectors, cos(θ)=h1h2, ...