Home
Class 12
PHYSICS
If the blades of an aeroplane are 4 m lo...

If the blades of an aeroplane are 4 m long and rotate at the rate of 600 rpm, then the angular velocity will be

A

`10 pi rad//s`

B

`30 pi rad//s`

C

`20 pi rad//s`

D

`40 pi rad//s`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

Propeller blades in aeroplane are 2 m long, When propeller is rotating at 1800 rev/min, compute the tangential velocity of tip of the blade.

Propeller blades in aeroplane are 2 m long. when propeller blade is rotating at 1800 rev/min, What is the tangential velocity at a point on blade midway between tip and axis.?

If polar ice caps melt, then the angular velocity of rotation of earth

If a point on the circumference of a wheel having diameter 4 m has velocity of 1600 c m//s , then the angular velocity of the wheel will be

If an automobile takes 'U' turn in 4 s, then its average angular velocity will be

A hollow sphere and solid sphere of the same radius rotate about their diameters with the same angular velocity and angular momentum. Then the ratio of their masses is

A coin kept on a horizontal rotating disc has its centre at a distance of 0.25 m from the axis of rotation of the disc. If mu is 0.2, then the angular velocity of the disc at which the coin willslip off, is

To simulate the acceleration of large rockets , the astronauts are spun at the end of long rotating beam of radius 9.8 m. What will be angular velocity required for generating centripetal acceleration 8 times the acceleration due to gravity ?

A solid sphere of mass 2 kg and radius 5 cm is rotating at the rate of 300 rpm. The torque required to stop it in 2pi revolutions is

If a space man is rotated at the end of a long beam of length 5 m and the acceleration of 9 g, then the number of revolution performed will be