Chapter 10 – Circular Motion
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The position vector of a particle is r =(a cos ωt) i^+(a sin ωt) j^. The velocity vector of the particle is:
24
Aug
The position vector of a particle is r =(a cos ωt) i^+(a sin ωt) j^. The velocity vector of the particle is: The position vector of a particle is r =(acosωt)i^+(asinωt)j^. The velocity vector of the particle is: August 24, 2020 Category: Chapter 10 - Circular Motion , NEET Last 32 Years Solved 1988 - [...]
A particle of mass M is revolving along a circule of radius R and nother particle of mass m is revolving in a circle of radius r. If time periods of both particles are same, then the ratio of their angular velocities is
24
Aug
A particle of mass M is revolving along a circule of radius R and nother particle of mass m is revolving in a circle of radius r. If time periods of both particles are same, then the ratio of their angular velocities is A particle of mass M is revolving along a circule of radius [...]
An electric fan has blades of length 30cm as measured from the axis of rotation. If the fan is rotating at 1200 rev/min, the acceleration of a point on the tip of the blade is about
24
Aug
An electric fan has blades of length 30cm as measured from the axis of rotation. If the fan is rotating at 1200 rev/min, the acceleration of a point on the tip of the blade is about An electric fan has blades of length 30cm as measured from the axis of rotation. If the fan is [...]
A particle is moving along a circle of radius 20/π with constant tangential acceleration. The velocity of the particle is 80m/s at the end of 2nd revolution after motion has began. Then the tangential acceleration is
24
Aug
A particle is moving along a circle of radius 20/π with constant tangential acceleration. The velocity of the particle is 80m/s at the end of 2nd revolution after motion has began. Then the tangential acceleration is A body is whirled in a horizontal circle of radius 20 cm. It has angular velocity if 10 rad/s. [...]
Two racing cars of masses m and 4m are moving in circles of radii r and 2r respectively. If their speeds are such that each makes a complete circle in the same time, then the ratio of the angular speeds of the first to the second car is
24
Aug
Two racing cars of masses m and 4m are moving in circles of radii r and 2r respectively. If their speeds are such that each makes a complete circle in the same time, then the ratio of the angular speeds of the first to the second car is then the ratio of the angular speeds [...]
A ball of mass 0.25 kg attached to the ends of a strings of length 1.96 m is rotating in a horizontal circle. The string will break, if tension is more than 25 N. What is the maximum velocity with which the ball can be rotated?
24
Aug
A ball of mass 0.25 kg attached to the ends of a strings of length 1.96 m is rotating in a horizontal circle. The string will break, if tension is more than 25 N. What is the maximum velocity with which the ball can be rotated? A ball of mass 0.25 kg attached to the [...]
A body is whirled in a horizontal circle of radius 20 cm. It has angular velocity if 10 rad/s. What is the linear velocity at any point on the circular path?
24
Aug
A body is whirled in a horizontal circle of radius 20 cm. It has angular velocity if 10 rad/s. What is the linear velocity at any point on the circular path? A body is whirled in a horizontal circle of radius 20 cm. It has angular velocity if 10 rad/s. What is the linear velocity [...]