What is the boundary not for? A. Separate the system from the surrounding. B. Create a definite region and space C. Contain energy and mass as it flows D. Signifies a control volume   2. Which statements describe  steady-state-steady-flow system? A. Permit the flow of energy and mass into and out of the system B. Energy contained by the system changes over time C. Energy contained by the system is constant as different kinds of energy enter and exits it. D. All of the above

Q: What is the rate of heat transfer when q= 90, t1 = 20, t2= 40

A:

Q: Q1. Match the following principles to their respective descriptions: Usually applied to a short…

A: 1.Principle of work and energy - Applied to specific situations when only conservative forces do…

Q: Q3. Swimming robots – Two friends, Alex and Barbara, are having a friendly competition: who can…

A: Paddle wheels are good for high viscosity fluids and propeller are good for high speed in low…

Q: When a system undergoes a process between states 1 and 2 and these states are fixed (known), one can…

A: Heat and work are path functions.  Without knowing the path followed, we cannot calculate heat and…

Q: The setup shown provides a liquid flow through the tissues for a physiological experiment. Taking…

A:

Q: 4. show all steps in detail, units and formulas please.

A: Step 1:Step 2:Step 3:Step 4: Since the spring constant should be positive (indicating the direction…

Q: 1. As seen in Fig P1.2 from the textbook, water circulates through household piping to be used by…

A: The given devices are : water heater dishwasher shower water meter

Q: A pump is being installed to circulate water through a piping system in an industrial plant. The…

A:

Q: 4. Consider the hydraulic system shown in Fig. 6, which consists of a hydraulic cylinder, a tank and…

A: Step 1: Step 2: Step 3: Step 4:

Q: 5. A moving pulley can be treated as a uniform disk with a mass of 100 kg and a radius of 0.8 m. It…

A: Step 1:Given:The mass of the uniform disc pulley: m=100kgThe radius of the pulley: R=0.8mUpward…

Q: Two objects form a system. The mass of object 1 is 3 times more massive than the mass of object 2:…

A: Write the given data. m1=3m2Location of object 1=10,-8,6Location of object 2=3,0,-2Velocity of…

Q: Consider the steady-state model of the universe. In this model, the universe is made up of matter…

A: The rate of creation of matter per unit volume can be calculated using the equation: MV=ρ(1+3Ht)…

Q: 3. A 127-kg stunt man throws himself off a 18-m tall building onto a trampoline. The trampoline…

A: mass of the stunt man (m)=127kg  length of building =18m stretch in trampoline (x)=1m assuming…

Q: W State (kg/s) (J/kg) Device (W) (W) A Wo B 15 A. 150 13 B 30 C 25 9. C D 5 123 4S

A:

Q: 4. Which of the systems in the following P-V diagram performs the most work? a. System A b. System B…

A: It is known that work is given by area under P-V diagram.

Q: 8. A duct of constant diameter with fan and some resistance heaters are the basicscheme of the hair…

A: The inlet density is The outlet density is The inlet velocity is .The diameter of duct is constant

Q: Problem 6 Suppose a process takes 1.0 mol of monoatomic ideal gas in a closed system from state 1 to…

A: For an ideal gas, internal energy is a function of only temperature, which means that internal…

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.