Question 2 Mechanical energy is defined as the sum of O the change of work and potential energy of a system. O the kinetic and potential energy of a system. O the work and heat energy of a system. O the internal and kinetic energy of a system.
Q: B OA. decreasing in AB, BC and CD OC. constant in AB, BC and CD OB. constant in AB and BC,…
A: In the given question, A to C is a frictionless ramp, C to D is a rough surface where friction force…
Q: car is moving towards a ramp at a speed of 9.0m/s, as shown below. The length of the ramp (not the…
A: speed of car (u) = 9 msLength of ramp (L) = 12 m efficiency (e) = 71% θ = 12o
Q: work could an engine that runs
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Q: An electric-powered snow-thrower machine throws snowballs 0.2 kg each at a speed of 9 m/s. The…
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Q: 2. Shelley pulls her little sister in a wagon with a constant force of 50 N over a distance of 100…
A: Since you have asked multiple questions in a single request, we would be answering only the first…
Q: 11) A 800kg car moving at 20m/s hits a 1200kg parked car head on. How much mechanical energy is…
A: In a completely inelastic collision, the moving body hits the other body and then both the bodies…
Q: A person weighing 85 kg gets into a car with a mass of 2.2 t. The car springs by 2.3 cm through.…
A: Mass of the car, m=85 Kg Mass of the car, M=2.2 ton=2200 Kg Total combined mass of the system,…
Q: A 1200 kg car drives up a hill that is 15.2 m high. During the drive, two nonconservative forces do…
A: Here, four kinds of energies are involved The kinetic energy of the car Potential energy Workdone…
Q: B C ЗРо Po = 1.0 atm Vo = 100 L
A: Work done in a thermodynamic process W = P (V2 - V1 )
Q: 12. Work energy depends on the Path. Please discuss this in your own understanding and give example.
A: In thermodynamics we came across of two modes of energy transfer that is work and heat. Although…
Q: Which one of the following law of thermodynamics states that energy can be converted from one form…
A: The first law of thermodynamics, is also known as the law of conservation of energy.
Q: A moveable piston of a closed container containing an ideal gas is lifted to 3 m after it is heated…
A: Energy by piston = 3.5 ×3=10.5 J
Q: Which of the following statements is true for an isentropic steady-flow process P- a. P1 b. Work =…
A: Isoentropic steady flow means entropy remains constant. As We have change in entropy is zero, change…
Q: 1. At the end of a 15-min session on a stationary bike at the gym, the bike's display indicates that…
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Q: An electric-powered snow-thrower machine throws snowballs 0.3 kg each at a speed of 9 m/s. The…
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Q: Thermodynamics Question: A bunjee jumper jumps from a platform. They accelerate in speed downward…
A: Given condition : Acceleration of bungee jumper is downwards towards the ground. The cord fully gets…
Q: A semi has typical dimensions (2.6m wide, 4.1 m high, 16 m long). Assume the drag coefficient is…
A: Hence the answer
Q: Assuming a track with friction, find the thermal energy at Y. Round off to four decimal places.…
A: Total energy at W (Tw) = 80.5986 J Total energy at Y (Ty) = 13.3378+13.0713 Ty = 26.4091 J
Q: 27.) W out is always smaller than W in because when a machine is used, not all of the energy it…
A: 27. When a machine is used, due to the friction some of the input energy convert in to thermal…
Q: Truck brakes can fail if they get too hot. In some mountainous areas, ramps of loose gravel are…
A: mass m = 15000 kg slope θ = 6o co efficient of friction is μ = 0.32 initial speed u = 35 m/s Let…
Q: When a person intakes 3000 kcal of food, he is able to do work requiring energy of 2500 kcal. This…
A: True and False: When a person intakes 3000 kcal of food, he is able to do work requiring energy of…
Q: Identify the type of energy in the following description: A rubber band has been stretched to twice…
A: A rubber band is an elastic substance that retracts to its original length once the force is…
Q: A PHYS 1510 student was working on a robotics project. The joints on the machine they were building…
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Q: Using data from Table, calculate the daily energy needs of a person who sleeps for 8.00 h, walks for…
A: The surface area of the person is found as,
Q: How is mechanical energy different from internal energy? 10000 Word
A: The word mechanical is drived from mechanic and internal means related to the state of system.
Q: * Two narrow slits are used to produce a double-slit interfer- ence pattern 0.90 mm, and the…
A: Answer 6.136 * 10-7 m
Q: A 3.5 kg rock is at the top of a 37 m cliff. How much energy does the rock have? Your answer: O 130J…
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Q: Positive work W done on a system means O a. Energy is transferred out of the system b. Energy can…
A: Introduction: A thermodynamic system is a matter or object that is confined in space by walls, which…
Q: 13. A 3000 kg car travelling at 10 m/s rolls down a steep driveway that has a vertical drop of 5.0…
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Q: Assuming that there are no heat effects and no frictional effects, find the kinetic energy of a…
A: Since there is no external force is acting on the body therefore we can apply energy conservation.…
Q: For each type of energy, give an example from the paragraph. When a car is running, it burns…
A: 1. Example of Electrical Energy: Power to the headlights and the electricity provided to make the…
Q: 8). For exercise, an 80 kg athlete climbs 20-m high stairs in 25 s. Assume the efficiency of the…
A: So in this question we are asked to calculate the metabolic energy of the athlete, the change in…
Q: 15. Refer to the graph below. Calculate the total work done from t = 0.00m to t= 8.00 me 12 10 2 Ar…
A: The area under the curve of the force v/s displacement graph gives the work done.
Q: Pressure B C ЗР Po = 1.0 atm Vo = 100 L Po D Volume Vo 3Vo
A: The process AB is a constant volume process.
Q: After finishing 2 fried eggs, a sausage, and a cup of latte as breakfast at 8:30 am, Nancy starts…
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Q: 2 How much energy does it take to drive a 200 Hp car at 20 % power for 3 hours if it is 12 %…
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Q: If conservation energy is loss of gravitional potential energy (energy once store in the object),…
A: Energy of system is always conserved. It just changes its form. This is known as conservation of…
Q: Question 17 A gasoline engine with an efficiency of 0.49 generates 1.86 hp of power. If a liter of…
A:
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