Physics questions
20027 published questions with worked solutions.
- A particle of mass m is performing UCM along a circle of radius r. The relation between centripetal acceleration a and kinetic...
- A body is moving along a circular track of radius 100 m with velocity 20 m ,s^ -1 . Its tangential acceleration is 3 m ,s^ -2 ,...
- A particle is performing UCM along the circumference of a circle of diameter 50 cm with frequency 2 Hz. The acceleration of the...
- The difference between angular speed of minute hand and second hand of a clock is [MHTCET 2015]
- If the body is moving in a circle of radius r with a constant speed v, its angular velocity is [MHTCET 2011]
- A ball of mass 0.25 kg attached to the end of a string of length 1.96 m is moving in a horizontal circle. The string will break,...
- A wheel has a speed of 1200 revolutions per minute and is made to slow down at a rate of 4 rad ,s^ -2 . The number of revolutions...
- If is angular acceleration, is angular velocity and a is the centripetal acceleration, then which of the following is true?...
- A car is moving with speed 30 m ,s^ -1 on a circular path of radius 500 m. Its speed is increasing at a rate of 2 m ,s^ -2 , what...
- When a ceiling fan is switched off, its angular velocity falls to half while it makes 36 rotations. How many more rotations will...
- An electric fan has blades of length 30 cm as measured from the axis of rotation. If the fan is rotating at 1200 rpm, the...
- Angular velocity of hour hand of a watch is [MHTCET 2005]
- The ratio of angular speeds of minute hand and hour hand of a wall clock is [MHTCET 2002]
- Angular speed of hour hand of a clock in degree per second is [MHT-CET 2019]
- A particle is performing U.C.M. along the circumference of a circle of diameter 50 cm with frequency 2 Hz. The acceleration of...
- In U.C.M. when time interval t 0, the angle between change velocity ( V) and linear velocity ( V) will be [MHT-CET 2019]
- If the radius of the circular path and frequency of revolution of a particle of mass 'm' are doubled then the change in its...
- The ratio of the angular speed of the hour hand of a clock to that of its minute hand is [MHT-CET 2019]
- Two stones of masses m and 3m are whirled in horizontal circles, the heavier one in radius ( r 3 ) and lighter one in radius 'r'....
- A vehicle moving with 15 km/hr comes to rest by covering 5 m distance by applying brakes. If the same vehicle moves at 45 km/hr,...