Physics, 02.03.2020 23:45 throwdown31
A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. An 790-kg helicopter rises from rest to a speed of 7.0 m/s in a time of 3.0 s. During this time it climbs to a height of 7.2 m. What is the average power generated by the lifting force?
Answers: 1
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Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?
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What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?
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The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?
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A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting f...
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