Acar of the future requires 15kw of power to travel along a level road at 65km/h. a physics student wishes to use the car to drive from bowser to qualicum, a distance of about 25 km. the engine is driven by heat energy recovered from a special material which has a specific heat capacity of 9800 j/kg • degree celsius, if the car has 350 kg of this material, the outside air temperature is 15 °c and the engine is 88% efficient, to what temperature must the material be heated?
Answers: 2
Physics, 21.06.2019 19:30, noberoger2780
Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star
Answers: 1
Physics, 22.06.2019 02:30, 22emilyl530
Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat
Answers: 2
Physics, 22.06.2019 19:00, helpmegraduate40
1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)
Answers: 1
Acar of the future requires 15kw of power to travel along a level road at 65km/h. a physics student...
Mathematics, 04.05.2021 18:30
World Languages, 04.05.2021 18:30
Mathematics, 04.05.2021 18:30
Mathematics, 04.05.2021 18:30