What is the relation between work and velocity?

Q: containing air to the environment, work input to the room at a speed of 1.2 kW from computers, TVs…

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Q: A closed system executes a series of processes for Wn = 80 BTU, U1 = 40 BTU and U2 = 5 BTU are given…

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Q: If 10 lbs of water evaporated at atmospheric pressure until a volume of 288.5 ft3 is occupied. How…

A: Given Data m=10 lbs V2=288.5 ft3 W=?

Q: What is working capital? Give various sources from which it can be financed?

A: following is the answer to the above problem-

Q: While 50 kJ of heat is input to the closed system, a 5 kN.m work input occurs with a mixer placed in…

A: Given data: Write the expression to calculate the final internal energy of the system.

Q: What is a steady-flow process?

A: A steady flow process is a process that is defined for flow problems in an open system. In a steady…

Q: During a flow process 5000 W paddle wheel work is supplied while the internal energy of the system…

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Q: If the energy crossing the boundary of a closed system is not heat, it must be work?

A: Heat and work are path-dependent properties. It cannot be stored. If the energy is crossing the…

Q: A worker pushes a wheelbarrow 5.0 m along a level surface, exerting a constant horizontal force of…

A: The distance travelled by the wheelbarrow is x=5 m. The force exerted by the worker to move the…

Q: Explain two thermodynamic applications in your home and industry field?

A: To give two thermodynamics applications in home and industry field.

Q: One pound of air with an initial temperature of 200F is allowed to expand without flow between…

A: Givenmass of air , m=1 lbTi=200oFPi=90 psiaPf=15 psia

Q: how do wind turbines work?

A: Wind turbines work on a simple principle: It uses kinetic energy of wind to make electricity.

Q: Explain the Under steady operation, shaft work and electrical work are the only forms of work a…

A: Steady flow process: A process during which a fluid flows through a control volume steadily. Under…

Q: 1. A truck hauls a trailer at 60 km/hour when exerting a steady pull of 600 N. If the work is done…

A: Given, Velocity of trailer = v = 60 km/h Force exerted on trailer = F = 600 N Time for which work is…

Q: Consider two identical vehicles that need tow trucks to pull one vehicle out of a grassy ditch and…

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Q: 1. Is a temperature difference necessary to operate a heat engine? State why or why not. 2.…

A: Hi! Thank you for the question As per the honour code, We’ll answer the first question since the…

Q: Explain the ENERGY BALANCE FOR CLOSED SYSTEMS.

A: A close system interacts with the surrounding through the exchange of heat and work. The net…

Q: What is thermodynamics?

A: Thermodynamics is the branch of science which deals with the relation between the heat and other…

Q: Define the Energy can cross the boundaries of a closed system in the form of heat and work?

A: Answer :- There are three types of Systems Open system Closed system Isolated system

Q: A pump continuously supplies water to an open tank for 12 hours daily. If the theoretical horsepower…

A: The given values are - Ptheoretical=4 hp, Electricity consumption=4.5Php/kWhη=0.65 The actual power…

Q: Q. No. 1: (5 marks) A) A piston cylinder arrangement has a gas in the cylinder space. During a…

A: ∆Q=∆w+∆U+change in frictional energy 3.2=1.6+∆U+0.24 ∆U=3.2-1.6-0.24=1.36kJ

Q: An automobile lift raises a car weighing 3000 lbf, 6 ft off the shop floor (Fig. 2-12). Assuming the…

A: Weight of the car, Wcar= 3000 lbf Weight of the lift, Wlift= 500 lbf Distance to be moved off the…

Q: a simple experiment that demonstrates that work is directly proportional to the force  applied.

A: We can take the example of the strring work to demonstrate the phenomenon.

Q: Examine the performance of engineering devices in light of the second law of thermodynamics.

A: Second law of thermodynamics is states that it is impossible to convert the given amount of low…

Q: be done by a system? b) Why work is considered path function while pressure is considered a point…

A: given: a) When is work said to be done by a system? b) Why work is considered path function while…

Q: The energy conversion steps in solar power tower is O a. from thermal to solar to mechanical to…

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Q: Work done by the weight depends on which factors?

A: Work done Weight is the path independent quantity, so it comes under the conservative force. That’s…

Q: For any non cyclic process in the closed system, relationship between heat and work shall be dQ = dU…

A: The first law of thermodynamics characterizes the internal energy (E) as rising to the…

Q: Why power is a scalar quantity?

A: There are two types of quantities first is vector and second is scalar. The vector quantity is that…

Q: suming a well-insulated, sealed room determine the internal energy rease after 1 h of operation.

A: Since room is well insulated there will not be any heat transfer across the wall of the room.  Hence…

Q: The work-kinetic energy theorem is equivalent to Newton's First Law. Newton's Second Law. O Newton's…

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Q: Give an example of in the absence of any work interactions, the energy change of a system is equal…

A: According to the first law of thermodynamics                        δQ-δW=∆E

Q: 2.) An automobile lift raises a car weighing 3000 lbf, 6 ft off the shop floor (Fig. 2-12). Assuming…

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Q: the differences, at least ten, between thermal and hydroelectric power plants. Explain the "mode of…

A: Hydroelectric power plant, first the potential energy of water is convert into kinetic energy and…

Q: What are the work and energy equations ?

A: Work and energy both are dynamic forms of energy.

Q: What does the equation of virtual work represent?

A: Work done by F during displacement ds dU=Fdscosθ

Q: A container maintains a constant pressure of 40800 Pa while changing to a volume of 791 liters. If…

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Q: A perpetual motion machine is a machine that never stops, hence its name. It is a machine that can…

A: Concept: 1) First law of thermodynamics: It states that energy neither be created nor destroyed but…

Q: Define thermal energy reservoir?

A: Thermal energy reservoir⇒ Thermal energy reservoir is defined as a thermodynamic system containing…

Q: The larger the specific volume, the greater the work produced (or consumed) by a steady-flow device.

A: This statement is true

Q: How is the external work transformed into internal work?

A: To answer The question Question How is the external work transformed into internal work? Concept…

Q: The unit of work in S.I. units is .A Newton .B pound .C joule .D slug

A:

Forms of Energy

Energy is described as the capability to accomplish a task, like the ability to push a block by applying force on it. It is a quantitative property that is used to accomplish work on an object.