m Location 1 has a gravitational force of 9.82 . Location 2 has a gravitational force of 9.80 . A shipment of 7,500 pounds (300 units at 25 pounds each) from Location 1 arrives to location 2. The total weight is short of 19 pounds. Please show computationally in thermodynamics terms that the weight is indeed short 19 pounds. Thank you!
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When an object is dropped it is accelerated towards the center of Earth. This acceleration is caused by the gravitational force on the object due to Earth's mass. If we neglect air resistance then the net force on that object is called its weight. It is given by,
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- I need solutions DConsider the two-sided chamber shown, where the right side has a volume of V and the left side has a volume of 2V. The chamber has a seal which separates the right from the left half. The chamber is sealed and an ideal gas is pumped into the right side at a pressure P and temperature T. The seal between the two sides is then opened. a If the temperature in the chamber is decreased by a factor of 2 by a refrigeration system while the gas fills the chamber, give an expression for the new pressure P' in terms of the original pressure P. b) The chamber is then sealed again, trapping 2/3 of the gas molecules in the left side. The temperature of the left side is then doubled by a heater, back to the original temperature T. What is the pressure in the left side of the chamber now, in terms of the original pressure?Assume that Q₁ = -15.0 J and Q2 = -80.0 J in (Figure 1). For help with math skills, you may want to review: Substituting Numbers into Mathematical Expressions For general problem-solving tips and strategies for this topic, you may want to view a Video Tutor Solution of Heat engine details. Figure p (kPa) 400 200 0- 0 100 200 22 1 of 1 - V (cm³) Part B What is QH for the heat engine shown in the figure? Express your answer with the appropriate units. QH = 125 J Submit Part C Correct n = Previous Answers What is the thermal efficiency for the heat engine shown in the figure? Submit - ΑΣΦ Request Answer ?
- A cylinder with a 16-cm-diameter piston contains gas at a pressure of 3.0atm How much force does the gas exert on the piston? N How much force does the environment exert on the piston? N The gas expands at constant pressure and pushes the piston out 10cm. How much work is done by the environment? J How much work is done by the gas? JAn ideal gas in a container with a sliding piston is held at atmospheric pressure. Heat is added and the volume increases from 1 m^3 to 3 m^3. The initial temp of the gas is 0 degrees celcius. Question A: How many moles of gas are in this container? Question B: How much work does the gas perform on the piston? Please answer in J Question C: What is the final temperature of the gas? Please answer in degrees celcius Question D: what is the change in internal energy of the gas? Please answer in J Question E: How much heat was added to the gas? Please answer in JR Review I Constants Part A A container holds 1.0 g of argon at a pressure of 8.0 atm. How much heat is required to increase the temperature by 100° C at constant volume? Express your answer with the appropriate units. H HẢ Q = Value Units %3D Submit Request Answer Part B How much will the temperature increase if this amount of heat energy is transferred to the gas at constant pressure? Express your answer in kelvins. ΑΣφ K AT =
- n moles of a diatomic ideal gas go through cycle a → b → c → d → a as shown in the figure. Processes ab and cd are isothermal and occur at temperatures TH and TC, respectively. 1) Calculate the work Wab done by the gas during the process a → b in terms of the variables in the problem. 2) Calculate the work Wbc done by the gas during the process b → c. 3) Calculate the total work W done in the entire cycle in terms of the variables in the problem. 4) Calculate the total heat Q flowing into the gas in a complete cycle.A crate of fruit with a mass of 40.0 kg and a specific heat capacity of 3550 J/(kg. K) slides 9.00 m down a ramp inclined at an angle of 40.0 degrees below the horizontal. Part A If the crate was at rest at the top of the incline and has a speed of 2.55 m/s at the bottom, how much work Wf was done on the crate by friction? Use 9.81 m/s² for the acceleration due to gravity and express your answer in joules. ► View Available Hint(s) Wf = -2140 J Submit Correct The frictional force opposes the motion of the crate, so the work done on the crate by friction must be a negative quantity. Part B Previous Answers If an amount of heat equal to the magnitude of the work done by friction is absorbed by the crate of fruit and the fruit reaches a uniform final temperature, what is its temperature change AT? ► View Available Hint(s) AT = ΑΣΦ WA cylinder contains one liter of air at room temperature (300 K) and atmospheric pressure (105 N/m2). At one end of the cylinder is a massless piston, whose surface area is 0.01 m2 . Suppose that you push the piston in very suddenly, exerting a force of 2000 N. The piston moves only one millimeter, before it is stopped by an immovable barrier of some sort. Use the thermodynamic identity to calculate the change in the entropy of the gas (once it has again reached equilibrium)
- em 5 A NATO base in northern Norway is warmed with a heat pump that uses 7.0°C ocean water as the cold reservoir, Heat extracted from the ocean water warms fluid to 80° C; this warmed fluid is used to heat the building When the system is working at full capacity, 2000 kW of heat are delivered to the building at the cost of 600 kW of electric energy. Part A What is the actual coefficient of performance of the system? COP Submit Request Answer Part B What is the theoretical maximum coefficient of performance of the system? COPX Submit Request Answar P Type here to searchThe potential density (D) is a useful diagnostic parameter defined as the density that an air parcel would have if it were adiabatically compressed or expanded to 1000 hPa. Derive an expression for D. Show that the product of the potential temperature (θ) and the potential density (i.e. Dθ) is a constant.G.g