English, asked by deepakbajaj2833, 1 year ago

Propeller blades in aeroplane are 2 m long and rotating with 1800 rpm. What is the tangential velocity at a point on blade midway between tip and axis.

Answers

Answered by Anonymous

65

adius= 2m

Frequency= 1800 rev/min =30 Hz

Angular velocity=

2πn= 2 × 3.14 ×30

Velocity=radius×angular velocity

V=2×(2×3.14)=376.8 m/s

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