A Carnot engine requires 40kJ/s from the hot source. The engine produces 20kW of power and the temperature of the sink is 26oC. What is the temperature of the hot source? Group of answer choices 210.10 C 250 C 325 C 245.57 C

Q: A string 0.5 m long is used to whirl a 1-kg stone in a vertical circle at a uniform velocity of 5…

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Q: OLUTION (A) Find the frequency of a sound wave with ? = 3.00 m. Solve the equation for the frequency…

A: Wavelength of wave = 3.0 m  Speed of sound wave = 343 m/s  Speed of light = 3.0 × 108 m/s

Q: In the figure the current in resistance 6 is ig = 1.42 A and the resistances are R1 = R2 = R3 = 1.91…

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Q: An alarm clock is ringing inside a jar. You are able to pump air out with a vacuum pump. What…

A: Given that- An alarm clock is ringing inside a jar. You are able pump air out with vaccum pump. To…

Q: The nuclide 10,4 Be undergoes spontaneous radioactive decay to 10,5 B with emission of a beta…

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Q: SC.8.P.8.4 A tudent measured o 4.5 cm' pece of alununun and calculated its density to be 2.7 g/cn'.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: For the dm shown, what is the distance r from the axis of rotation (the y axis) to dm in terms of x,…

A: The distance r is from the rotating axis that is y axis. Thus the elementary part is at a distance x…

Q: The figure shows wire 1 in cross section; the wire is long and straight, carries a current of 4.19…

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Q: Why is it that you need a water trap in performing this experiment? Why can’t you introduce the…

A: Given : Asked a question to answer: Why is it that you need a water trap in performing this…

Q: In the figure, point P2 is at perpendicular distance R = 23.4 cm from one end of straight wire of…

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Q: III Problem Solving: 21-25 A cannonball is fired from the ground at an angle of 30°, with an initial…

A: Write the given data. vi=150 m/sθ=30°

Q: A physics student notices that the current in a coil of conducting wire goes from / = 0.200 t 2 1.50…

A: induced emf is given by ∈=-Ldidt=-Li2-i1t2-t1t2-t1=0.250 seci2=1.50 Ai1=0.200 AL=3 mH=3×10-3 H

Q: two forces of 90N act on an object. the forces make an angle of 48 to each other. calculate the…

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Q: Moment of Inertia (y) Now find the total moment of inertia by adding up (integrating) all of the…

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Q: How do corrective lenses help improve vision in people? Produce an image of the object at a distance…

A: In the treatment of the patients who are sufferings from the errors such as myopia, hyperopia the…

Q: In the figure, two long straight wires at separation d = 9.04 cm carry currents of i = 4.39 mA and…

A: The magnitude of magnetic field due to a long wire is given by: B = μ0I2πr Where, I = current in…

Q: Problem 3:   A certain heat engine has a power output of 9.5 kW and an efficiency of 21 %. The…

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Q: Please write all the formulas and describe each variable for all the topics. Rectilinear Kinematics…

A: formulas and variable for all the topics.. Rectilinear Kinematics Curvilinear Motion Absolute…

Q: A 4.80 kg block is suspended from a spring with k = 440 N/m. A 58.0 g bullet is fired straight up…

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Q: A very heavy car is moving down the road and has 1,000,000 joules of kinetic energy. if the car has…

A: Given data:  A very heavy car moving down the road  Kinetic energy (KE) = 1,000,000 J New mass (m')…

Q: A wheel accelerates with a constant angular acceleration of 4.5 rad/s^2. If the initial angular…

A: Given data:  Angular acceleration (α) = 4.5 rad/s2 Initial angular velocity (ωi) = 1.0 rad/s Time…

Q: ROTATIONAL AND ANGULAR MOTION A pulley rotating in the counterclockwise directions is attached to a…

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Q: n immersed object displaces 8 N of fluid, what is the buoyant force on the block? EXPLAIN.

A: 1)  Given:-  If an immersed object displaces 8 N of fluid,  Find:- what is the buoyant force on the…

Q: See the diagram below. The cart, with a mass of 1Kg, rolls downward on a frictionless surface. What…

A: Given Mass of the cart is m=1 kg Speed of the cart at the bottom of the run is v=10 m/s     We have…

Q: 12. Two objects of equal mass with the speeds indicated by the vectors below, collide and stick…

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Q: 3. Two equal positively charged particles are at opposite corners of a trapezoid as shown in the…

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Q: Which of the following represents an accurate pathway of energy transfer through trophic levels of…

A: Energy is transferred between organisms in food webs from producers to consumers. The energy is used…

Q: If you're in Albany,NY (ALB) and you see lightning in the distance and 12 seconds later you hear…

A: The thunder is heard after a time of 12 seconds of seeing the lightning

Q: = 3.0kg 5.0kg r= ?? 2.00m mg For the problem above, what is r equal to? О 1.00 m O 0.75 m О 1.20 m O…

A: mass of orange object (m) = 3 kg mass of blue object (M) = 5 kg distance of orange object from pivot…

Q: In the figure R1 = 83.0 Q, R2 = R3 = 44.0 Q, R4 = 103 0, and the ideal battery has emf ɛ = 6.00 V.…

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Q: A resistor, an uncharged capacitor, a dc voltage source, and an open switch are all connected in…

A: Let the voltage of the dc voltage source = V let the current = I Let the resistance of the resistor…

Q: Three polarizing filters are arranged in such a way that the axis of the transmission of the second…

A: Given Angle of the axis of the transmission of the second filter is with respect to the first filter…

Q: A car is moving on a straight road 17 m/s. It is acceleration at 28 m/s? . What will be it's…

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Q: A message was sent from Mars to Earth. Mars is approximately 54.6 million kilometers away from the…

A: Given Distance between Mars to Earth = 54.6 million kilometres We to calculate How long did the…

Q: What is the change in momentum that occurs when a 1.0 kg ball traveling at 3.0 m/s strikes a wall…

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Q: 1. Complete the following chart. Name # of Protons # of Electrons # of Neutrons Mass 15 Silver 110…

A: 1) to complete the following chart on the based on atoms of different elements

Q: (c) Show your calculation or describe how you determined the current in the ammeter in the middle…

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Q: You are given a number of 27 Ω resistors, each capable of dissipating only 1.9 W without being…

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Q: A message was sent from Mars to Earth. Mars is approximately 54.6 million kilometers away from the…

A: Given: A radio wave is used. Distance from Mars to Earth, d=54.6 million km=54.6×106…

Q: You apply a flame to 1 L of water for a certain time and its temperature rises by 2°C. If you apply…

A: Q = m C dt  Q is the heat applied  m is the mass / quantity of the material C is the specific heat…

Q: ter tank in a restaurant is 0.5 m long by 0.25 m wide by 50 cm deep. Taking the density of water to…

A: gIVENL=0.5 mb=0.25h=50 cm=0.5 m

Q: 1. SHM and Angular Frequencynobs Solve for the angular frequency using your SHM equations for each…

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Q: A spaceship of mass 8.2 x 104 kg is a distance of 380,000 km from Mars (mass = 6.39 x 1023 kg). Find…

A: Given:- Mass of the spaceship is Ms=8.2×104 kg Distance of the spaceship from the Mars is  d=380000…

Q: Some people believe that the Moon controls their activities. The Moon moves from being directly on…

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Q: For the circuit shown, determine the current in the 4.0 Q resistor. A 20 ww 12V ww ww

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Q: A wheel of diameter of 68.0 cm slows down uniformly from 8.40 m/s to rest over a distance of 115m.…

A: Write the given values with the suitable variables. d=68 cm=0.68 mu=8.4 m/ss=115 m Here, d is the…

Q: 0cm^3 is submerged in a swimming pool. What is the volume of water displaced?. Why?.

A: GivenVolume of object, Vo=100 cm3

Q: . Two asteroids strike head-on: before the collision, asteroid A (mA = 7.5 x 1012 kg) has velocity…

A: Given: The mass of asteroid A is 7.5x1012 kg. The mass of asteroid B is 1.45x1013 kg. The velocity…

Q: This given isotope Radon-222 is unstable and its presence in homes may constitute a health hazard.…

A: The decay of the Radon-222 isotope is provided below.

Q: A proton traveling at 21.1° with respect to the direction of a magnetic field of strength 3.78 mT…

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