Physics questions
20027 published questions with worked solutions.
- A wheel has an angular acceleration of 3.0 rad/s^2 and an initial angular speed of 2.00 rad/s . In a time of 2 s, it has rotated...
- A thin circular ring of mass M and radius r is rotating about its axis with a constant angular velocity . Four objects each of...
- Angular velocity is a
- A particle moves along a circle of radius r with constant tangential acceleration. If the velocity of the particle is V at the...
- The angular speed of a flywheel making 360 rpm is
- A stone tied to one end of rope and rotated in a circular motion. If the string suddenly breaks, then the stone travels
- If the length of second's hand of a clock is 10 cm, the speed of its tip (in cm ,s^ -1 ) is nearly
- A particle moves with uniform speed in a circular path, the angle between instantaneous velocity and acceleration is
- In uniform circular motion of a particle,
- The angular velocity of second hand, of a clock is
- The angular speed of a car increases from 600 rpm to 1200 rpm in 10 s. What is the angular acceleration of the car?
- Velocity vector and acceleration vector in a uniform circular motion are related as
- A wheel rotates with a constant angular velocity of 300 rpm. The angle through which the wheel rotates in 1 s is
- The angular velocity of a particle rotating in a circular orbit 100 times per minute is
- A ball of mass 0.12 kg is being whirled in a horizontal circle at the end of string 0.5 m long. It is capable of making 231...
- A small coin is kept at the rim of a horizontal circular disc which is set into rotation about vertical axis passing through its...
- A particle is moving along a circular path of radius 5 m with a uniform speed 5 m ,s^ -1 . What will be the average acceleration...
- Two particles of masses in the ratio 3 : 5 are moving in circular paths of radii in the ratio 4 : 7 with time periods in the...
- A cosmonaut is orbiting the earth in a spacecraft at an altitude h = 630 km with a speed of 8 km ,s^ -1 . If the radius of the...
- A coin placed on a rotating turn table just slips, if it is placed at a distance of 8 cm from the centre. If angular velocity of...