The rotors velocity of a helicopter engine changes from 330 rev/min to 110 rev/min in 2 min. How long does the rotor blades take to stop? - VgyanHub

Question:

3.The rotors velocity of a helicopter engine changes from 330 rev/min to 110 rev/min in 2 min. How long does the rotor blades take to stop?

Options :

a) 1 min
b) 4 min
c) 5 min
d) 6 min

Answer :

a) 1 min

Answer Steps :

Step1 :-

Step2 :-

Step3 :-

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