takaylawynder
18.05.2021 •
Mathematics
a helicopter of mass 800 kg rises to a height of 170 in 20 seconds,before setting off in horizontal flight.calculate the potential energy gain of the helicopter,and hence estimate the mean power of its engine.state a form of kinetic energy that has been ignored in this model.
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Ответ:
Download the app Microsoft maths app.
It is helpful in maths problems.