Question Answers
Sahay Sir > Question Answers
A particle moves in a circle of radius R. In half the period of revolution its displacement is ………………………………………… and distance covered is
25
Sep
A particle moves in a circle of radius R. In half the period of revolution its displacement is ………………………………………… and distance covered is A particle moves in a circle of radius R. In half the period of revolution its displacement is ................................................ and distance covered is September 25, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
Two boats both having a mass of 150 kg including passengers in it are at rest. A sack of mass 50 kg makes 1 st boat having total mass of 200 kg. It is thrown to the second boat with a velocity
25
Sep
Two boats both having a mass of 150 kg including passengers in it are at rest. A sack of mass 50 kg makes 1 st boat having total mass of 200 kg. It is thrown to the second boat with a velocity Two boats both having a mass of 150 kg including passengers in it [...]
A student throws soft balls out of window at different angles to the horizontal. All soft balls have the same initial speed v = 10 root 3 m/s. It turns out that all soft balls landing velocities
25
Sep
A student throws soft balls out of window at different angles to the horizontal. All soft balls have the same initial speed v = 10 root 3 m/s. It turns out that all soft balls landing velocities A student throws soft balls out of window at different angles to the horizontal. All soft balls have [...]
A big Diwali rocket is projected vertically upward so as to attain a maximum height of 160 m. The rocket explodes just as it reaches the top of its trajectory sending out luminous particles
25
Sep
A big Diwali rocket is projected vertically upward so as to attain a maximum height of 160 m. The rocket explodes just as it reaches the top of its trajectory sending out luminous particles A big Diwali rocket is projected vertically upward so as to attain a maximum height of 160 m. The rocket explodes [...]
Acceleration of particle moving rectilinearly is a = 4 – 2x (where x is position in metre and a in m/s^2). It is at instantaneous rest at x = 0. At what position x ( in meter) will the particle again come to instantaneous
25
Sep
Acceleration of particle moving rectilinearly is a = 4 – 2x (where x is position in metre and a in m/s^2). It is at instantaneous rest at x = 0. At what position x ( in meter) will the particle again come to instantaneous A particle is moving in a circular path of radius 1 [...]
The figure shows a method for measuring the acceleration due to gravity. The ball is projected upward by a “gun.” The ball passes electronic “gates” 1 and 2 as it rises and again as it falls. Each gate is connected to a separate
25
Sep
The figure shows a method for measuring the acceleration due to gravity. The ball is projected upward by a “gun.” The ball passes electronic “gates” 1 and 2 as it rises and again as it falls. Each gate is connected to a separate A particle is moving in a circular path of radius 1 m. [...]
A particle can move only along x – axis. Three pairs of initial and final positions of particle at two successive times are given . Find the sum of magnitudes of displacement in the pairs
25
Sep
A particle can move only along x – axis. Three pairs of initial and final positions of particle at two successive times are given . Find the sum of magnitudes of displacement in the pairs A particle can move only along x - axis. Three pairs of initial and final positions of particle at two [...]
A particle moves in a straight line. Its position ( in m) as function of time is given by x = ( at^2 + b) What is the average velocity in time interval t = 3s to t = 5 s in m/s.
25
Sep
A particle moves in a straight line. Its position ( in m) as function of time is given by x = ( at^2 + b) What is the average velocity in time interval t = 3s to t = 5 s in m/s. A particle moves in a straight line. Its position ( in m) [...]
A projectile is launched at time t = 0 from point A which is at height 1 m above the floor with speed v m/s and at an angle theta = 45 with the floor. It passes through a hoop at B
25
Sep
A projectile is launched at time t = 0 from point A which is at height 1 m above the floor with speed v m/s and at an angle theta = 45 with the floor. It passes through a hoop at B A projectile is launched at time t = 0 from point A which [...]
A particle is projected from a stationary trolley. After projection, the trolley moves with a velocity 2 root 15 m/s. For an observer on the trolley, the direction of the particle is as shown in the
25
Sep
A particle is projected from a stationary trolley. After projection, the trolley moves with a velocity 2 root 15 m/s. For an observer on the trolley, the direction of the particle is as shown in the A particle is projected from a stationary trolley. After projection the direction of the particle is as shown in [...]