Physics, 18.03.2022 14:00 brainfreeze911ovksah
Battery electric vehicle (BEVs) have been introduced to consumers as an alternative way to reduce the environmental effects caused by use of internal -combustion engine (ICE)vehicle. A comparison of both vehicle types can help determine whether the use of BEVs would be beneficial in the future. Where calculation is required, show your work.
i. Assume that the fuel efficiency of the ICE vehicle b 25 miles per gallon (mpg) and that gasoline costs $3. 75 per gallon (gal) Calculate the cost of gasoline per mile.
The charger supplies energy to the BEV battery at an average rate of 4. 0 kilowatts (kW) and fully charges the BEV battery in 7. 0 hours. The car will run for 100 miles on a full charge the coat of electricity is $0. 11 per kismet - hour (kWh).
ii. Calculate the cost of the electricity to fully charge the battery. Assume that the battery is not charged to begin with.
iii. Calculate the cost of electricity per mile to drive the BEV
Answers: 3
Physics, 22.06.2019 02:10
"an open tank has the shape of a right circular cone. the tank is 6 feet across the top and 5 feet high. how much work is done in emptying the tank by pumping the water over the top edge? note: the density of water is 62.4 lbs per cubic foot."
Answers: 2
Physics, 22.06.2019 12:10
Consider a one meter long horizontal pipe with a constant 100 cm^2 cross sectional area. water flows rightward into the pipe at x = 0 with flow velocity 02m/sec at every point within the pipe intake area. at x=1, the rightward flow rate is 0.192 m/sec. assume the water is a conserved quantity in the pipe, so there must be a leak (a sink) somewhere in the pipe. 1. compute net volumetric flow of the source if the system to be in equilibrium. 2. now assume the pipe in the problem has no leaks. compute the net volumetric rate of change for the system.
Answers: 3
Physics, 22.06.2019 16:40
Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. which one, if either is correct? a. beryl, because low thermal conductivity results in low heat transfer. b. beryl, because low thermal conductivity results in high heat transfer. d. sapphire, because low thermal conductivity results in high heat transfer. e. neither, because low heat transfer is desirable both in summer and in winter.
Answers: 2
Battery electric vehicle (BEVs) have been introduced to consumers as an alternative way to reduce th...
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