Physics questions
20027 published questions with worked solutions.
- A particle is projected from ground with speed u and at an angle with horizontal. If at maximum height from ground, the speed of...
- A projectile, thrown with velocity v_0 at an angle to the horizontal, has a range R. It will strike a vertical wall at a distance...
- An object is thrown along a direction inclined at an angle of 45^ with the horizontal direction. The horizontal range of the...
- The horizontal range of a projectile is 4 3 times of its maximum height. The angle of projection will be
- A projectile is thrown with a velocity of 10 m ,s^ -1 at an angle of 60^ with horizontal. The interval between the moments when...
- A particle is projected horizontally with speed 20 m ,s^ -1 from the top of a tower. After what time velocity of particle will be...
- An aeroplane is flying at a constant height of 1960 m with speed 600 km ,h^ -1 above the ground towards a point directly over a...
- A particle moves in a circle of radius 5 cm with constant speed and time period 0.2 s. The acceleration of the particle is
- The motor of an engine is rotating about its axis with an angular velocity of 100 rev ,min^ -1 . It comes to rest in 15 s, after...
- A ball is moving in a circular path of radius 5 m. If tangential acceleration at any instant is 10 m ,s^ -2 and the net...
- A rotating wheel changes angular speed from 1800 rpm to 3000 rpm in 20 s. What is the angular acceleration assuming to be uniform?
- A car is travelling with linear velocity v on a circular road of radius R. If its speed is increasing at the rate of a m ,s^ -2 ,...
- Match the following columns and choose the correct option from the codes given below. For uniform circular motion, Column I : A....
- The change in the centripetal force of a body moving in a circular path, if speed is made half and radius is made 5 times the...
- A car wheel is rotated to uniform angular acceleration about its axis. Initially, its angular velocity is zero. It rotates...
- In hydrogen atom, the electron is moving round the nucleus with velocity 2.18 10^6 m ,s^ -1 in an orbit of radius 0.528 Å . The...
- Two particles of equal masses are revolving in circular paths of radii r_1 and r_2 respectively with the same speed. The ratio of...
- A particle of mass m is executing uniform circular motion on a path of radius r. If p is the magnitude of its linear momentum....
- If mass, speed and radius of the circle of a particle moving uniformly in a circular path are all increased by 50%, the necessary...
- A string of length 0.1 m cannot bear a tension more than 100 N. It is tied to a body of mass 100 g and rotated in a horizontal...