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Dievsky V.A. - Solution of problem D1 variant 3 (D1-03)
D1-03 Dievskiy
The thrust of the propellers of a helicopter of mass m with its vertical rise from
The state of rest is 1.5 times its weight. Windage
Is proportional to the speed R = -0.7mv. Determine the rate of ascent at time t
= 5 s, as well as the maximum speed of the helicopter.
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Discount for regular customers! If the total of your purchases from the seller
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