Motion in a Plane questions
631 published questions with worked solutions.
- The speed of a swimmer in still water is 20 m/s. The speed of river water is 10 m/s and is flowing due east. If he is standing on...
- In projectile motion two particles of masses m_1 and m_2 have velocities V_1 , and V_2 respectively at time t = 0. Their...
- For a projectile, the maximum height and horizontal range are same. The angle of projection ' ' of the projectile is
- Which of the following person is in an inertial frame of reference?
- Two trains each 30m long are travelling in opposite direction with velocities 5 m/s and 10 m/s. They will cross after
- The position vector of a particle is r = a t , i + a t , j . Calculate the angle between its position vector and the velocity...
- A shell is fired at an angle of 30^o to the horizontal with velocity 196 m/s. The time of flight is [ 30^o= 12= 60^o]
- A stone is projected at angle ' ' with velocity 'u'. If it executes nearly a circular motion at its maximum point for short time,...
- A large number of bullets are fired in all direction with same speed 'U'. The maximum area on the ground on which the bullets...
- A batsman hits a ball with a velocity 'v', making an angle of 60^o with the vertical. After some time direction of velocity is...
- Two boys are standing at points A and B on ground where distance AB = a. The boy at point B starts running perpendicular to line...
- Resultant of two vectors P and Q is of magnitude A. If Q is reversed, then the resultant is of magnitude B. The value of A^2 +...
- Two balls A and B are projected at an angle of 45^0 and 60^0 respectively, so that the maximum heights reached are same for both....
- For a projectile motion, the range R is 'n' times the maximum height H. So the angle of projection is
- The angle made by vector A = 2 i + 3 j with x - axis and that with y - axis are respectively.
- The resultant of two vectors A and B is C. If the magnitude of B is doubled, the new resultant vector becomes perpendicular to A,...
- The equation of the trajectory of a ball projected at an angle with the horizontal, is given as y = x - gx^2 2 . The initial...
- Which of the following person is in an inertial frame of reference?
- Which one of the following person is in an inertial frame of reference?
- A boat crosses a river from one bank A to another bank B which is opposite. The distance between them is D. The speed of water is...
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