Figure shows as rod of length 20 cm pivoted near an end and which is made to rotate in a horizontal plane with a constant angular speed. A ball ofmass m is spuspended by a string angular also of length 20 cm from the other end of the rod. If the angle `theta` made by the stirng with the vertical is `30^0`. find the anglular speed of the rotation. Take `g=10 m/s^2`
Consider the situation as shown in the figure. A rod of length L=2//27m pivodated near an end which is made to rotate in a horizontal plane with a constant angular speed. A ball is suspended bu a string also of length 2//27m from the other end of the rod. if the string makes theta=53^(@) with vertical, find the angular speed of rotation.
A uniform rod of length l is being rotated in a horizontal plane with a constant angular speed about an axis passing through one of its ends. If the tension generated in the rod due to rotation is T(x) at a distance x from the axis, then which of the following graphs depicts it most closely ?
A uniform rod of mass m and length l rotates in a horizontal plane with an angular velocity omega about a vertical axis passing through one end. The tension in the rod at a distance x from the axis is
A stone tied to the end of a 20 cm long string is whriled in a horizontal ciecle with a constant angular speed .If the centripetal acceleration is 980 cm//s^(2) , its angular speed is .
A pendulum bob of mass m hangs from one end of a horizontal rod which is rotating about vertical axis with an unknown angular speed omega such that the light inextensible string of length l of the pedulum makes a constant angle theta with vertical. Find the Q. angular speed omega
A uniform rod of length l is from rest such that it rotates about a smooth pivot. The angular speed of the rod when it becomes vertical is. .
Consider a rod of mass M and length L pivoted at its centre is free to rotate in a vertical position plane. The rod is at rest in the vertical position. A bullet of mass M moving horizontally at a speed v strikes and embedded in one end of the rod. The angular velocity of the rod just after the collision will be.
A rod of mass m,length l pivoted at its centre is free to rotate in a vertical plane.The rod is at rest and is in vertical position.A bullet of mass m/2 moving horizontally with speed v strikes and sticks to one end of the rod. Angular velocity of system just after collision is
A rod AB of length l is pivoted at an end A and freely rotated in a horizontal plane at an angular speed omega about a vertical axis passing through A. If coefficient of linear expansion of material of rod is alpha , find the percentage change in its angular velocity if temperature of system is incresed by DeltaT
PHYSICS GALAXY - ASHISH ARORA-WORK, ENERGY AND POWER-unsolved
