Home
Class 12
PHYSICS
Each rod of a centrifugal governor is 10...

Each rod of a centrifugal governor is 10 cm long. Then the number of revolutions persecond made when the rod inclined at an angle of `60^@` will be

A

22

B

49

C

22/49

D

49/22

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

The angular velocity of a wheel increases from 120 to 480 rpm in10 s.The number of revolutions made during this time is

A metal rod 1/ (sqrt(pi)) meter long rotates about one of its ends perpendicular to a plane whose magnetic induction is 4xx10^-3T . Calculate the number of revolutions made by the rod per second if the e.m.f. induced between the ends of the rod is 16mV.

A metal rod 1/ sqrt(pi) meter long rotates about one of its ends in a plane perpendicular to a uniform magnetic induction 5 xx 10^-3 (Wb)/m^2 . Calculate the number of revolutions the rod makes per minute if the induced e.m.f. across it is 15 millivolt.

A car accelerates uniformly from rest to a speed of 10 m/s in a time of 5 s. The number of revolutions made by one of its wheels during this motion if the radius of the wheel is 1//pi m.

A pendulum bob has a speed of 3m//s at its lowest is position. The pendulum is 0.5m long. The speed of the bob, when string makes an angle of 60^@ to the vertical is

A capillary tube when immersed vertically in a liquid records a rise of 3 cm, if the tube is immersed in the liquid at an angle of 60^@ with the vertical, then length of the liquid column along the tube will be

A circular coil of diameter 10 cm is placed in a magnetic field of induction 2 xx 10^(-4)T . The magnitude of flux linked with coil when the plane of coil makes an angle 45^@ with the field is

A horizontal rod of mass 10g and length 10cm is placed on a smooth plane inclined at an angle of 60^@ with the horizontal with the length of the rod parallel to the edge of the inclined plane. A uniform magnetic field induction B is applied vertically downwards. If the current through the rod is 1*73ampere , the value of B for which the rod remains stationary on the inclined plane is

A ceilling fan rotates about its own axis with some angular velocity. When the fan is switched off, the angular velocity becomes (1/4)^(th) of the original in time 't' and 'n' revolutions are made in that time. The number of revolutions made by the fan during the time interval between switch off and rest are (Angular retardation is uniform)

An iron rod of length 20 cm and diameter 1 cm is placed inside a solenoid on which the number of turns is 600.The relative permeability of the rod is 1000. If a current of 0.5 A is passed in the solenoid, then the magnetisation of the rod will be