Physics, 23.10.2019 16:00 pandamaknae2003

Afan rotating with an initial angular velocity of 1000 rev/min is switched off. in 2 seconds, the angular velocity decreases to 200 rev/min. assuming the angular acceleration is constant, how many revolutions does the blade undergo during this time.

a) 10
b) 20
c) 100
d) 125
e) 1200

Answers: 3

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Afan rotating with an initial angular velocity of 1000 rev/min is switched off. in 2 seconds, the an...