A Carnot heat engine produces 10 hp by transferring energy between two reservoirs at 40 °F and 212 °F. Calculate the thermal efficiency and the rate of heat transfer from the high-temperature reservoir.

Q: According to the World Energy Council, the average household in Mexico consumes about 1600 kWh of…

A: Dimension of solar panels=(1×1)  So area of solar panel=1 m^2 Annual solar energy potential of panel…

Q: A water tower has a volume of  295,880   gal . Use the table of conversion facts to find out how…

A: 1 cubic galon =0.00495 cubic yard Volume of water tower=295880 galon So in term of cubic yard volume…

Q: At the edge of a cliff, a rock is thrown with an initial velocity of 18m/s at a 15 degree angle…

A:

Q: Troy throws a ball horizontally from a height of 8.50 m with an initial speed of 37.0 m/s. a) How…

A: Given that- height(h)=8.50m Initial speed(u)=37.0 m/sec To determine that- a) How long will it take…

Q: A 6.00 N force acts on a 1.50 kg mass for 5.00 seconds. Find: a) The impulse which acted upon the…

A: Given: The force is 6 N. The mass of the object is 1.5 kg. The time interval is 5 s.

Q: Solve the problem. PROVIDE THE GIVEN, REQUIRED, EQUATION, SOLUTION, AND FINAL ANSWER What is the…

A: Given length of simple pendulum= l = 75.000 cm time period = T = 1.7357 s We have to calculate the…

Q: If a baseball is thrown at 150 m/s² and its mass is 0.50 kg what force is necessary to change its…

A:

Q: Give one example in each of the following cases where a force:

A: Given; From the following cases give atleast one example  where a force  is applied in which field ?

Q: The order of evaluation in Boolean expression is: Parenthesis, NOT, AND, OR OR, AND, NOT,…

A: the order of evolution in boolean expression is- parenthesis, not, or, and.     full adder is a…

Q: A child is twirling a 0.0103-kg ball on a string in a horizontal circle whose radius is 0.0907 m.…

A: Mass of ball(m) =0.0103 kg Radius of horizontal circle(r) =0.0907 m Time period of revolution (T)…

Q: During a lightning storm the potential difference between a cloud and the ground can be extremely…

A:

Q: Two forces are applied to a 4.0 kg cart on a frictionless surface as shown. At a certain instant, FA…

A: Free body diagram:

Q: A 25.0 kg child plays on a swing having support ropes that are 2.10 m long. A friend pulls her back…

A:

Q: Find momentum Mass=8 kg Velocity=0.03 m/s

A: Given Mass (m) = 8 kg  Velocity (v) = 0.03  m/s    Momentum is given as :- Momentum (P) = mv…

Q: You throw a ball straight up with an initial velocity of 15.4 m/s. It passes a tree branch on the…

A:

Q: A car moving at 90 km/h brakes and stops in 5 seconds. What is the magnitude of the car's…

A: Apply the first kinematic equation. Here, v is the final velocity, u is the initial velocity, a is…

Q: What is the law and lawlessness? Nad describe the factors that cause the lawlessness

A: Two assumptions in the theory of special relativity are not "laws" per se, but are assumptions about…

Q: 45 In the figure, two blocks are connected over a pulley. The mass of block A is 8.10 kg and the…

A:

Q: Exercise One: The two waveforms (1) and (II) represent the two electric voltages UAD and UCD…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: With the help of Huygens’ construction, explain the phenomenon of diffraction

A: According to Huygen's wave theory, every point of wave front maybe regarded as source of light. When…

Q: What force is necessary in order to change the velocity of a 2.00 kg object from -4.00 m/s to +3.00…

A: Given data : Initial velocity=U Final velocity=V Time=t Mass=m   Required : Force

Q: 6. A 200 g whistle firecracker is set and fired horizontally in a straight line on top a smooth…

A:

Q: If an object has a mass of 5slugs at sea level, what would its mass be at a location where the…

A: Given  Mass (m) = 5 slugs    ; at sea level    Acceleration due to gravity at  an unknown location (…

Q: The energy stored in an inductor of self inductance L henry carrying a current of I ampere is : (B)…

A:

Q: 13.) A 350 lb force (lbf) acts on a block at an angle of 150 with the  What is the work done by this…

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

Q: i. Explain the principle of rigid bodies ii. Discuss the concept of moment of forces.

A: Solution: rigid body and moment of forces related of physics of mechanics

Q: 8-6. Locate the centroid of the channel cross section shown in Figure P8-6. y 12 mm 12 mm- 220 mm 12…

A:

Q: How much heat energy is required to raise the temperature of 20Kg of pure water from 0°C to 30°C?…

A: Given : m = 20 kg Ti = 0°C Tf = 30°C c = 4200 J/Kg°C

Q: Assuming that the two point charges Q1 = 12nC and Q2 = -15nC are at points (4, 3, 1) and (5,-2, 3)…

A:

Q: How will you do it?

A: Given; If we required to take out 200 ml of milk from a bucket full of milk,  What should we do it ?

Q: Write the relativistic quantum wave equation ( the Ken Gordon equation )

A:

Q: An object dropped from a cliff falls with a constant acceleration of 10 m/s2. Find its speed 5 s…

A: Introduction :  In this question we are provided with value of  time , initial velocity and…

Q: The axis of a 75 turn circular coil of radius 35mm is parallel to a uniform magnetic field. The…

A: Given Number of turns coil, N=75 Radius of circular coil, R=35mm magnitude of the field changes at a…

Q: A 17.5 KN automobile is traveling down the 10° inclined road at a speed of 6 m/s determine how far…

A:

Q: Find electric field for a uniformly charged disk.

A: To solve this question, we just need to find the electric field outside the disk. We just need to…

Q: Show the complete solution. 1.) Water runs into a fountain, filling all the pipes, at a steady rate…

A: rate of flow of the water, v = 0.750 m3/s diameter of the hole, d = 4.50 m

Q: how are they related

A: Given; Units of two smaller volume,  How are they related to the SI units ?

Q: potential energy (J) 5.0E-19 0 -5.0E-19 -1.0E-18 0.1 0.2 interactomic separation (nm) 0.3

A:

Q: 2. The homogenous bar LORS shown below is supported by a cable that runs from L to O around the…

A:

Q: A 70 Kg person walking at 1 m/sec bumps into a wall and stops in a distance of 2.5 cm in about 0.04…

A: Given: The mass of the person is 70 kg. The initial speed is 1 m/s. The distance traveled is 2.5 cm.…

Q: Calculate the work done by a student in lifting a 0.5 kg book from the ground and keeping it on a…

A: Given: The mass of the object is 0.5 kg. The height of the object from the ground is 1.5 m.

Q: A ball with mass 0.2 kg is thrown upward with initial velocity 30 m/s from the roof of a building 90…

A: Given Mass of the ball, m=0.2kg Initial velocity, vi=30m/s Roof of the building high, h=90m Force…

Q: Show the complete solution. Final answer given (37.5 cm/s) 1.) You need to extend a…

A:

Q: A dead body was found within a closed room of a house where the temperature was a constant 70° F. At…

A: Given:  At t = 0 , i.e. at time of death, Temperature of body = 98.6o F At t = t1 hours i.e. at time…

Q: How does the density of water changes when

A: Given data; Density of water changes,  a. heated from 00C to 40C  B. heated from 40C to 100C

Q: The gravitational acceleration of this planet is 6.4 m/s/s Find the horizontal and vertical speeds…

A:

Q: The red light emitted by a He-Ne laser has a wavelength of 633 nm in air and travels at 3.00 × 108…

A:

Q: fly’s wings had flapped in one second. If the fly’s wings flap, say, 250 times in one second. Find…

A: a) Frequency of motion = No. of complete oscillation per second = 250 Hz

Q: A body moving with a 5mls is subjected subjected to an speed of accelara. tion of 20m/8². Calcute…

A: Speed of the body =5 m/s Acceleration =20 m/s2 When acceleration is constant then all the equations…

Q: Four point charges, each of magnitude 2.34 x 101 C, are placed at the corners of a square 40.8 cm on…

A: