A disc rotates about its axis with a constant angular acceleration of `4rad/s^2`. Find the radia and tangential acceleration of a particle at a distance of 1 cm from the axis at the end of the first second after the disc starts rotating.

A disc rotates about its axis with a constant angular accelertion of 2 rad//s^(2) . Find the radial and tangential accelerations of a particle at a distance of 10 cm from the axis at the end of the fourth second after the disc starts rotating.

A body is rotating around a fixed axis with angular velocity 3 rad/s with constant angular acceleration of 1rad//s^(2) at some time. Find the magnitude of acceleration of a particle 5 m away from the axis after the body has turned by 90^(@) .

A disc rotates with constant angular velocity. Doesa point on its rim have a tangential acceleration or a radial acceleration ? Are these accelerations constant ? '

A disc, initially at rest, starts rotating about its own axis/ with a constant angular acceleration of 0*2 rad/s2. The time taken by the disc to rotate by 10 rad (in seconds) is

A wheel starting from rest ia rotating with a constant angular velocity of 3 rad s^-1 . What is its angular acceleration after 4 s?

A circular disc of radius 20 cm is rotating about its own axis at an angular velocity omega . The angular velocity of a particle 'A' which is at a distance 10 cm from the axis of rotation is

A particle is rotating about a fixed axis with angular acceleration vecalpha = hati + 2hatj + 3hatk rad/ s^2 . Find the tangential acceleration of a point having radius vector (2hati-3hatj+hatk) m from axis of rotation in (in m/ s^2 )

A long thin rod of length 2L rotates with a constant angular acceleration of 10rad//s^(2) about an axis that is perpendicular to the rod and passes through its center. What is the ratio of the tangential acceleration of a point on the end of the rod to that of a point a distance L/2 from the end of the rod?

A disc of radius R rotates from rest about a vertical axis with a constant angular acceleration such that a coin placed with a tangenitial between a as shown in figure If the coefficient of static friction between the coin and disc is mu_(s) .Find the velocity of the before it start sliding relative as the disc

A disc of radius R rotates from rest about a vertical axis with a constant angular acceleration such that a coin placed with a tangenitial between a as shown in figure If the coefficient of static friction between the coin and disc is mu_(s) .Find the velocity of the before it start sliding relative as the disc