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*15-8. If Ihe jets exert a vertical thrust of T =
Chapter 15, Problem 15-8(choose chapter or problem)
QUESTION:
*15-8. If Ihe jets exert a vertical thrust of T = (500f3,2) N. where t is in seconds, determine the mans speed when / = 3 s. The total mass of the man and the jet suit is 100 kg. Neglect the loss of mass due to the fuel consumed during the lift which begins from rest on the ground.
Questions & Answers
QUESTION:
*15-8. If Ihe jets exert a vertical thrust of T = (500f3,2) N. where t is in seconds, determine the mans speed when / = 3 s. The total mass of the man and the jet suit is 100 kg. Neglect the loss of mass due to the fuel consumed during the lift which begins from rest on the ground.
ANSWER:At / = 3 s, the man's vertical speed can be determined as follows:
F =