Consider two houses that are identical, except that the walls are built using bricks in one house, and wood in the other. If the walls of the brick house are twice as thick, determine which house that will be more energy efficient. Justify your answer.

Q: Consider a situation where a constant force of 25 N acts on an object having a mass of 2 kg for 3…

A: Given Data: Constant Force F=25 N Mass of object M=2 kg Duration of force t=3 sec

Q: A block is dragged over a horizontal surface by an 80 N force acting 25° above the horizontal. The…

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Q: Which point/s is/are the state of the system?

A: In thermodynamics , the state of system is represented by specifying its pressure , volume and…

Q: A 32.5 kg box initially at rest is pushed 4.75 m along a rough, horizontal floor with a constant…

A: Solution:-Given thatmass of box(m)=32.5 kgdisplacement (s)=4.75 mConstant applied force (F)=145…

Q: A crate of mass 98 kg is pulled up a rough incine with an initial speed of 1.54 mys. The pulling…

A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…

Q: A woman fires a rifle with barrel length of 0.6200 m. Let (0, 0) be where the 150 g bullet begins to…

A: To calculate the work done by the gas on the bullet, we need to integrate the force over the…

Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.410 m…

A: Write the equation for the work done. Work done (W)=Force F×displacementd

Q: A crate of mass 9.8 kg is pulled up a rough incline with an initial speed of 1.54 m/s. The pulling…

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Q: Suppose that an engine has 28% overall efficiency. Find how much work is done in a time interval in…

A: The efficiency is defined as the ratio of work done to the input heat.  η = WQin Where, W is the…

Q: A 75-g bullet is fired from a rifle having a barrel 0.580 m long. Choose the origin to be at the…

A: Mass of the bullet , m = 75 gm = 0.075 kg  Rifle barrel , x = 0.580 m F(x) = 16000 + 10000x -…

Q: In the figure, a 4.5 g ice flake is released from the edge of a hemispherical bowl whose radius r is…

A: Given,  radius of bowl= 24 cm or 0.24 m Mass of flake= 4.5 gram mass of flake in second case= 4.5*6=…

Q: A crate of mass 9.4 kg is pulled up a rough incline with an initial speed of 1.44 m/s. The pulling…

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Q: The kinetic and potential energy of an object as it moves along the x axis is represented by the…

A: Given:  Energy vs distance graph is given:  From x = 0 m to x = 100 m, Work done on the object = 3…

Q: How much work does a supermarket checkout attendant do on a can of soup he pushes 0.870 m…

A: Given: The applied force is 5.5 N. The displacement of the object is 0.87 m.

Q: A 25.0 kg child slides down a long slide in a playground. She starts from rest at a height h₁ of…

A: Given data:  Mass (m) = 25.0 kg At Height (h1) = 22.00 m, speed (V1) = 0 m/s At height (h2) = 12.00…

Q: (a) What is the efficiency of an out-of-condition professor who does 2.10 x 10° J of useful work…

A: a) We know that, efficiency= (output/input)x100 So here output is 2.10×10^5 joule and input is…

Q: coefficient of kinetic friction 1s 0.4, and the crate is pulled 5.0 m. (a) How much work is done by…

A: Given: Mass of crate, m=10.0Kg  Initial speed, vi=1.5m/s Pulling force, F=100N Inclined angle with…

Q: the work done by

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Q: An energy storage system is being designed using a number of concrete blocks and electrically driven…

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Q: In the figure, a 3.0 g ice flake is released from the edge of a hemispherical bowl whose radius ris…

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Q: Two objects interact with each other and with no other objects. Initially object A has a speed of 4…

A: Given:          Initial velocity of object A (uA) = 4 m/s         Final velocity of object A (vA) =…

Q: What is the efficiency of an out-of- condition professor who does 2.10 x 10^5 J of useful work while…

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Q: A 36.0 kg box initially at rest is pushed 5.45 m along a rough, horizontal floor with a constant…

A: Given values: Mass, m=36.0 kg Applied force, F=150 N Coefficient of friction, μ=0.300 Distance,…

Q: Consider a situation where you carry a 20-N box up a flight of stairs, raising its elevation by 5 m.…

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Q: Which of these uses thermal energy to do work? (a) a person walking uphill (b) a hot air balloon.…

A: In this problem, we have to select all which use thermal energy to do work.

Q: 1) A constant horizontal force of F = 200.0 N pushes a crate of mass m = 25.0 kg, initially at rest,…

A: Applied force is Mass of object is Distance traveled by object is Cofficient of friction is…

Q: Situation 2: A crate of mass 10.0 kg is pulled up a rough incline with an initial speed of 1.50 m/s.…

A: Concept: Given: Mass of Crate (m)=10 kgInitial Speed= 1.50 m/sPulling Force =100 NInclination Angle…

Q: Flying with a speed of VV∞ = 120 m/s at an altitude of 2000 m, where the density is 1.007 kg/m3, the…

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Q: A 40.0 kg box initially at rest is pushed 4.70 m along a rough, horizontal floor with a constant…

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