The Sl unit of both energy and work are not similar.
Q: If a moving body is decelerated by the action of a resisting force, the work done by the body is on…
A: given; is work done bye the body is on apar to its change in kinetic energy?
Q: A change of the system energy, AE, can be: a) positive, b) negative, c) of any sign or zero.
A: The first law of thermodynamics states that the change in internal energy of a system equals the net…
Q: Heat is negative when energy is transferred to a system from its environment
A: Correct option is:
Q: It is the total energy of a flowing fluid on a unit-mass basis.
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Q: When the system is completely isolated from its surroundings so that there is no heat transfer, this…
A: Open thermodynamic system is a system in which both energy and mass can cross the boundary of the…
Q: piston–cylinder assembly contains 0.5 lb of propane. The propane expands from an initial state where…
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Q: For any cyclic process in the closed system, relationship between heat and work shall be dQ = dW…
A: Correct option: True
Q: Prove that internal energy is the property of the system.
A:
Q: 3. A closed system of mass 10 kg undergoes a process during which there is energy transfer by work…
A: Given: Mass, m = 10 kg Work done by system, w = 0.147 kJ/kg Elevation, Δh = - 50m (negative because…
Q: 2.30 A closed system consisting of 14.5 lb of air undergoes a polytropic process from p₁ = 80…
A:
Q: The drag force, Fd, imposed by the surrounding air on a vehicle moving with velocity V is given by…
A: Velocity of vehicle, V=50 miles per hour =50*1.46667=73.3335 ft/s 1 mile/h=1.46667…
Q: Thermal mass is a property of the mass of a building which enables it to store:
A: Thermal Mass: The ability of a material to absorb and store heat or thermal energy is a Thermal…
Q: Sketch the cycle on ap−vdiagram. Considering a mass of air ofm= 0.5 kg, andassuming air as ideal…
A:
Q: The properties of a closed system change following the relation between pressure and volume as PV=…
A: Closed system is system in which mass is not allowed to flow but the energy in form of the heat or…
Q: The atmospheric pressure in a location is measured by mercury ( density of 13,600 kg/m^3) barometer.…
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Q: What is the mass of a body in grams if it has a kinetic energy of 94.6N-m when moving at 2.25m/s?
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Q: The temperature of a system rises by 130°C during a heating process. Express this rise in…
A: Given: The temperature rise of a system is T1=130°C. The unit conversion factor from Celsius to…
Q: In a bike, the is converted into power. O A. kinetic energy O B. heat energy O. work energy O D.…
A:
Q: 4. An object initially at an elevation of 5 m relative to Earth's surface with a velocity of 50 m/s…
A: Finding change in total energy change brought by the work done
Q: car batteries are rated in ampere-hours . to what physical quantity do ampere-hours coresspond…
A: Since the car batteries are rated in ampere-hours, it corresponds to the total charge of the…
Q: 3. If a miniature engine does 520. J of work to cause a car in motion with a distance of 260, m, how…
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Q: A 48 HP motor is used to drive an air compressor. The compressor efficiency is 80 % Determine…
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Q: In rectilinear motion of a particle, the work is equal to the change in the .kinetic energy of the…
A: Work energy principle for rectilinear motion, For particle if it performs rectilinear motion under…
Q: 1. (i) A can of soft drink at room temperature is put into the refrigerator so that it will cool.…
A: i) A can inside the refrigerator is a part of refrigeration system in which refrigerant circulant…
Q: KPa and Is a erature is 696.54 C. Determine the change of internal energy in kJ.
A: GivenVolume=10m3Pressure P1=569.16kpaInitial Temperature T1=429.91KFinal…
Q: Given: Four masses m, m, m, and m, are 300 kg, 400 kg, 320 kg, and 340 kg respectively. The…
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Q: A closed system consisting of 2 lb of a gas undergoes a process during which the relation between…
A: a) density is calculated using 1/v1 and 1/v2 volume = mass/density b) P1V1n=P2V2n
Q: The flow of energy into and out of a system is known as
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Q: It states that all kind of energy are not of the same quality.________________________
A: Given: It states that all kind of energy are not of the same quality
Q: 1- The newton's second law is (a) F= ma (b) M =Fd (c) N.M 2- The unit of mass is: (а) Kg (b) L (c) S
A: (a) F = ma (a) Kg (a) N/m2 (a) N (a) F.d
Q: The rates of energy that can be transferred from one system to another is due to difference in the
A: 1) The rates of energy that can be transferred from one system to another is due to difference in…
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: What is the overall change in potential energy express in MN-m, of an automobile weighing 1500kg in…
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Q: form of energy which is contained in (possessed by) a body
A: Potential energy
Q: A 400 lbm object accelerates from 10.0 ft/s to 17.5 ft/s. How much work has been done?
A:
Q: In any process where heat is added to the system and work is done by the system,the net energy…
A: This question is from thermodynamics fist law.
Q: The drag force, Fd, imposed by the surrounding air on a vehicle moving with velocity V is given by…
A: Given data: Cd=0.28A=27 ft2ρ=0.075 lb/ft3V=30 mph Need to determine the force and the power required…
Q: "Heat and work are not mutually convertable in the system
A: Given: To define: Heat and work are not mutually convertible in the system it states: And the type…
Q: A 10 lbm object is acted upon by a 4.4 lbf force. What acceleration in ft/s does the object possess?
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Q: The system total energy is always conserved, when (mark all): a) a closed system undergoes a…
A: First law of thermodynamics states that energy can neither be created nor destroyed, rather it…
Q: If the mass of an object is 10 lbm, what is its weight, in lbf, at a location where g = 32.0 ft/s2 ?
A: Given Mass m = 10 lb m G = 32 ft/s Required : - weight in lbf
Q: A fixed mass of gas undergoes changes of pressure and volume as shown below. R. P
A: Givenalong path PQRQPQR=8kJWPQR=3kJalong path PSRQPSR=?WPSR=1kJ
Q: A closed system loses energy by heat transfer at the rate of 10kJ/s. Write the energy balance for…
A: A closed system loses energy by heat transfer at the rate of 10kJ/s. Write the energy balance for…
Q: The energy possessed by a body by the virtue of its motion is called ______
A:
Q: 1- Conservation of mass 2-Gravitational Energy. 3-Internal Energy....
A: Given Conservation of mass Gravitational energy Internal energy To find Definition
Q: Mechanical Efficiency is the ratio of
A: Correct Answer is Option a) Theoretical torque/Actual torque.
Q: A vertical piston-cylinder assembly contains 0.5 kg of water. Initially, the piston is resting…
A: Disclaimer: Since you have posted a question with multiple subparts we will solve the first three…
Q: Force applied=7 N Displacement=3 m Determine work done
A: Given:F=7 Ndisplacement, x=3 m
Q: Question No. 14 A body of mass 25 g has a momentum of 0.4 kg-m/s. Find its kinetic energy. O4.8 J O…
A: Given data m = 25 g = 0.025 kg ( m = mass ) m.v = 0.4 kg.m/s ( m.v = momentum ) Find Kinetic…
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- Q2- A- Write the S.I unit of the following quantities: 1- Area 2- Acceleration 3- Energy 4- Moment of force 5- Workplease show all work. show all work for integration thank youA gas filled in a piston-cylinder arrangement as shown in Figure 1 has a volume of 0.09 m³ at its initial equilibrium state. The gas is slowly heated through the bottom of the cylinder that allowed for the gas to expand at constant-pressure of 2095 kPa to a volume of 1.23 m°. The change in internal energy of the gas is 0.24 kJ. Ignoring the friction between the piston and the cylinder and assuming the atmospheric pressure any value from 90 to 110 kPa, of (a) Calculate the mass of the piston if the area of the piston is 0.047 m2 (b) For the gas as a system, evaluate work and heat transfer, each in kJ (c) For the piston as a system, evaluate work and change in potential energy, each in kJ Piston Gas
- Weight is a Vector quantity Select one: O TrueHeat transfer can be defined as the transmission of energy from one region to another due to temperature difference. Select one: O a. False O b. TrueA certain system losses heat to the surroundings at the rate of 150 Watts for 3 hours. The amount of heat the system lost during that time is 1620 kJ. Select one: O True O False
- Q1: A. A car moving at a velocity of 30 m/s accelerated at a rate of 0.5 m/s. Find the distance covered by the car in 25 seconds. В. Two forces act at an angle of 110° the bigger force is P-50 N as shown in the figure find the other force Q. B 110° 60 P=50 NQI/ Find the amount of force FB and FC so that the resultant of the external forces is zero. * Fc 50 N 50 N FB 30° 30° B 100 NY r = 0.35 10 NY -0.502-0.65-0.65- 50 NY 0.5+0.4- Dimensions in metersIn the case of steam turbine, I. Stationary turbine with constant speed of rotation is mainly used for driving pumps. L The nozzle of impulse steam turbine converts the pressure energy of steam to kinetic energy a.Cnly I is true O b. Only Iis true I and II are false O d. I and I are true
- Please show solution.Q- The unit of energy in S.I. unit. Select one: Joule/sec Joule Watt O kg Joule/mP The magnitude md direction of two forces acting on an object are 8o pounds, S70°E, ond go pounds , N60° E, respectively Find me mag nitude , to the mearest hundred th of a pound ,and the direction angle, to the nearest tenth of a degree, of the resultant force.