Physics, 06.12.2019 21:31 taytay2912
Technician a says that the reserve rating of a battery is the amount of steady current that a fully charged battery can supply for 20 hours without the voltage falling below 10.5 volts. technician b says that ampere-hour ratings state how many hours the battery is capable of supplying 25 amperes. who is correct1. a only2. b only3. both a and b4. neither a and b.
Answers: 2
Physics, 22.06.2019 18:00
Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in
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Physics, 22.06.2019 19:00
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 engineβs 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
Technician a says that the reserve rating of a battery is the amount of steady current that a fully...
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