The balance wheel of a watch has a moment of inertia of `2xx10^(-8)kgm^(2)` and the torsional constant of its hair spring is `9.8xx10^(-8)` Nm `rad^(-1)` calculate its frequency.

A balance-wheel of a watch has a moment of inertia equal to 2 xx 10^(-8) kg m^(2) . When it is rotated by 30^(@) , a restoring torque of 5.13 xx 10^(-6) Nm is generated, calculate its frequency of oscillations.

A wheel has moment of inertia 5 xx 10^(-3) kg m^(2) and is making 20 "rev" s^(-1) . The torque needed to stop it in 10 s is….. xx 10^(-2) N-m

A wheel of mass 8 kg has moment of inertia equals to 0.5 "kg-m"^(2) . Determine its radius of gyration.

The coil of a moving coil galvanometer has an effective area of 5xx10^(-2)m^(2) . It is suspended in a magnetic field of 2xx10^(-2) Wbm^(-2) .If the torsional constant of the senpension fibre is 4xx10^(-9) Nmdeg^(-1) . Then find its current sensitivity in degree per microampere

The torque required to stop a wheel having moment of inertia 5xx10^(-3)kgm^(2) from a speed of 10 radian s^(-1) in 20s is

Compute the angular acceleration of a wheel having moment of inertia 20kgm^(2) , when a torque of 10Nm is applied on the wheel.

The coil of moving coil galvanometer has an effective area 6xx10^-2m^2 . It is suspended in a magnetic field of 3xx10^-2Wbm^-2 . If the torsional constant of the suspension fibre is 5xx10^-9Nmdeg^-1 , finds its current sensitivity in degree per micro-ampere.

A rectangular coil of M.C.G. of 100 turns of effective area 12cm^2 hangs in a magnetic field of 1.5xx10^-2 T . If the torsional constant of the suspension fibre is 1.5xx10^-8 Nm per radian then current sensitivity of M.C.G. is

If the degree of ionization of water be 1.8xx10^(-9) at 298 K . Its ionization constant will be