Determine the Kinetic energy in BTU of a 7 lbm block moving at a velocity of 85 ft/s
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Determine the Kinetic energy in BTU of a 7 lbm block moving at a velocity of 85 ft/s.
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- Determine the specific kinetic energy of a mass whose velocity is 30 m/s, in kJ/kg.Calculate the total kinetic energy, in BTU, of an object with a mass of 10 kg when its velocity is 50 ft/s.For a system having a mass of 1 lb whose velocity increasesfrom 50 ft/s to 100 ft/s while its elevation decreases by 40 ft ata location where g= 32.0 ft/s2, Determine: Change in Kinetic Energy in BTU Change in Potential Energy BTU
- A nonflow system has a mass of 5 lb. in it. The system undergoes a process during which 200 ft.lbf of heat is transferred to the surroundings. If the system does 1000 ft.·lbf of work on the surroundings, determine the change in specific internal energy of the fluid in lbf/lbm.Determine the power output, in hp, of an animal pulling a plow at a speed of 3 kph. The draft is 75 kg.350 kJ of heat is added in a piston-cylinder arrangement containing air causing it to expand in a polytropic manner. If the polytropic exponent throughout the process is 1.2, determine (a) the change in internal energy (b) the work produced in kJ.
- Calculate the energy used per day (kWh) of a car with an efficiency of 8 kilometers per liter and has driven 85 kilometers in the past 7 daysA steam turbine is receiving 1014 lbm/hr of steam, determine the HP output of the turbine if the work done by steam is 251 Btu/lb. (USE 2 DECIMAL PLACES)The work net available on the surrounding is 12 kJ. Determine the average power produced by a vehicle having a mass of 1000 kg with constant acceleration of 4.6 m/s². Note that the average velocity from this is 11.5 m/s.
- A velocity of 25 km/hkm/h is equivalent to: 6.94 m/sm/s 90.0 m/sm/s 90. m/sm/s 6.9 m/sm/s14.5 litres of gas at 172 MN/m2 is expanded at constant pressure until its volume becomes 130.5 litres.Determine the work done by the gas.For an energy storage capacity of 5 × 106 kWh, determine the minimum amount of water that needs to be stored at an average elevation (relative to the ground level) of 75 m.