a rod of length L is hinged from one end. It is brought to a horizontal position and released. The angular velocity of the rod when it is in vertical position is

a) sqrt(sg/l)

b) sgrt(3g/l)

c) sqrt (g/2l)

d) sqrt(g/l)

Question

a rod of length L is hinged from one end. It is brought to a horizontal position and released. The angular velocity of the rod when it is in vertical position is

a) sqrt(sg/l)

b) sgrt(3g/l)

c) sqrt (g/2l)

d) sqrt(g/l)

Srichandra Chilappagari · Answer

hi sharma,

u consider motion of center of mass of rod.

it has come down by L/2 height.intially rod was at rest.

incriment in grav.P.e=gain in K.E

mgl/2= 1/2 x (ml2)/3 x w2

solving u gt b as ans

deeksha sharma

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a rod of length L is hinged from one end. It is brought to a horizontal position and released. The angular velocity of the rod when it is in vertical position is a) sqrt(sg/l) b) sgrt(3g/l) c) sqrt (g/2l) d) sqrt(g/l)

a rod of length L is hinged from one end. It is brought to a horizontal position and released. The angular velocity of the rod when it is in vertical position is

a) sqrt(sg/l)

b) sgrt(3g/l)

c) sqrt (g/2l)

d) sqrt(g/l)

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