According to Newton's 3rd Law, an action and reaction are equal in____. weight shape size
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According to Newton's 3rd Law, an action and reaction are equal in____.
weight
shape
size
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- A flywheel whose moment of inertia / = 200 lb-ft² is spinning at 220 RPM. For a flywheel, KE = Iw²/2, where w is the angular velocity, rad/s. Let g = 32.2 ft/s². Step 1 * Your answer is incorrect. How high above the surface of the earth, in ft, would a 70 lb mass have to be raised to have its potential energy equal to the kinetic energy of the flywheel? h = i 20.60 Hint Save for Later ft A Attempts: 1 of 4 used Submit Answer Step 2 The parts of this question must be completed in order. This part will be available when you complete the part above.* Your answer is incorrect. A gas undergoes a process in a piston-cylinder assembly during which the pressure-specific volume relation is pv¹.2 = constant. The mass of the gas is 0.4 lb and the following data are known: p₁ = 160 lbf/in.², V₁ = 1 ft³, and p2 = 300 lbf/in.² During the process, heat transfer from the gas is 2.1 Btu. Kinetic and potential energy effects are negligible. Determine the change in specific internal energy of the gas, in Btu/lb. Δu = i | 76.53 Btu/lbA flywheel whose moment of inertia / = 200 lb-ft² is spinning at 220 RPM. For a flywheel, KE = Iw²/2, where w is the angular velocity, rad/s. Let g = 32.2 ft/s². Step 1 How high above the surface of the earth, in ft, would a 70 lb mass have to be raised to have its potential energy equal to the kinetic energy of the flywheel? h = 23.547 Hint Your answer is correct. Step 2 h = i How high above the surface of the earth, in ft, would a 110 lb mass have to be raised to have its potential energy equal to the kinetic energy of the flywheel? eTextbook and Media ft Save for Later Attempts: 2 of 4 used ft Attempts: 0 of 4 used Submit Answer
- P1.2 Which of the characteristics associated with the systems listed below are properties? Which are not? Explain. (a) The system is the heating element of an electric iron. The characteristics are: (i) the mass, (ii) the electrical resistance, (iii) the temperature, (iv) the number of hours of operation and (v) the total watt- hours of electrical energy consumed. (b) The system is the battery of an automobile. The characteristics are: (i) the mass, (ii) the voltage, (iii) the temperature, (iv) the internal resistance, (v) the number of hours of operation and (vi) the total watt- hours of energy delivered.2.34 Carbon monoxide gas (CO) contained within a piston- cylinder assembly undergoes three processes in series: 1- Process 1-2: Constant pressure expansion at 5 bar from V₁ 0.2 m³ to V₂ = 1 m³. Process 2-3: Constant volume cooling from state 2 to state 3 where p3 1 bar. = Process 3-1: Compression from state 3 to the initial state during which the pressure-volume relationship is pV = constant. Sketch the processes in series on p-V coordinates and evaluate the work for each process, in kJ.A flywheel whose moment of inertia / = 200 lb-ft² is spinning at 210 RPM. For a flywheel, KE = Iw²/2, where w is the angular velocity, rad/s. Let g = 32.2 ft/s². Step 1 How high above the surface of the earth, in ft, would a 80 lb mass have to be raised to have its potential energy equal to the kinetic energy of the flywheel? h = i ft
- 1. The pressure in the substance drastically decrease from 354 to 21 POUNDS PER SQUARE INCHES (PSI), the heat energy of the open system reduces 555BTU/LB, and the volume increases from 1 to 10FT^3/LB. a.) Determine the work per LB. Units:BTU/LB b.) Determine the work in HP (Horse Power) for 10LB per min. (1HP = 42.4BTU/MIN) Units: HPA cryogenic substance is found to have a specific heat capacity (at constant volume) c_v that varies with temperature according to c_v = AT^2, where A is an empirically derived constant with units J/(K^3 kg). If 220 J of energy must be transferred thermally (at constant volume) to an 8,750 mg sample of this substance to raise the temperature of the sample from 1.0 K to 6.6 K, what is the value of A? Your Answer: Answer units1. The condition of a system as described by its properties... .... a. System b. Process c. Property d. State e. Boundary 2. The 1" law of thermodynamics is the law of ... a. Conservation of mass b. Conservation of heat c. Conservation of energy d. Conservation of momentum e. none of the above ..... 3. In an isovolumetric process.. a. There is no change in pressure b. There is no change in temperature c. There is no change in internal energy d. There is no change in volume e. There is no chemical reaction 4. Everything external to the system . a. Boundary b. Surroundings c. State d. Process e. Property 5. Which of the following is an extensive property? a. Temperature b. Density c. Specific volume d. Pressure e. Volume 6. The unit of energy in S.I. units is .. a. watt b. joule c. joule/s d. joule/m e. joule m.kilogram
- Drag and Drop the correct answers in the blanks. A mass mis hanging from the end of a vertical spring that has a spring constant k. The equilibrium position of the mass, yo, is The total potential energy of the mass when it is displaced by s from the equilibrium position is given by Y. is zero + U(s) = ks + positive * negative 1 1 ks+ 21 + U(s) ks² + mgyo %3D U(s) mgyo2. Differentiate intensive, extensive and specific properties with their units.Charles' law states that If the pressure on a particular quantity of gas is held constant, then, with any change of state, the volume will vary directly as the absolute temperature. If the temperature on a particular quantity of gas is held constant, then, with any change of state, the volume will vary directly as pressure. If the temperature on a particular quantity of gas is held constant, then, with any change of state, the volume will varies inversely as pressure. It is a composite property applicable to all fluids, known as Heat Energy Enthalpy