Asked by Lidia

A 800kg , light-weight helicopter ascends from the ground with an acceleration of 3.00m/s2 .

Part A
Over a 6.50s interval, what is the work done by the lifting force?

Part B
What is the work done by the gravitational force?

Part C
What is the work done by the net force on the helicopter?
Answered by bobpursley
work=mgh/time=mg/time * 1/2 a time^2
work=1/2 mga*time

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