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Q. A propeller spins at 1880 rev/min.

a) What is its angular velocity in rad/s?

b) What is the angular displacement of the propeller in 2.50 s?

Q. A car crashes into a wall at 20 m/s and is brought to rest in 0.1 s. Calculate the average force exerted on a 55 kg test dummy by the seat belt.

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  • Category:- Physics
  • Reference No.:- M9281294

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