Problem

The mass of the Sikorsky UH-60A helicopter is 9300 kg. It takes off vertically at t = 0. T...

The mass of the Sikorsky UH-60A helicopter is 9300 kg. It takes off vertically at t = 0. The pilot advances the throttle so that the upward thrust of its engine (in kN) is given as a function of time in seconds by T = 100 + 2t2.

(a) How last is the helicopter rising 3 s alter it lakes off?
(b) How high has it risen 3 s after it takes off?

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Solutions For Problems in Chapter 14

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