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A ball A is projected with speed 20 m/s at an angle of 30∘ with the horizontal from the ground. Another ball B is released simultaneously from a point on the vertical line along the maximum height of the projectile. Both the balls collide at the maximum height of the first ball. The initial height of ball B is
16
Sep
A ball A is projected with speed 20 m/s at an angle of 30∘ with the horizontal from the ground. Another ball B is released simultaneously from a point on the vertical line along the maximum height of the projectile. Both the balls collide at the maximum height of the first ball. The initial height [...]
A particle moves along a straight line such that its displacement at any time t is given by s = t^3 – 6t^2 + 3t + 4 m. Find the velocity when the acceleration is 0
16
Sep
A particle moves along a straight line such that its displacement at any time t is given by s = t^3 – 6t^2 + 3t + 4 m. Find the velocity when the acceleration is 0 A particle moves along a straight line such that its displacement at any time t is given by s [...]
Four balls A,B,C and D are projected with equal velocities having angles of projection 15, 30, 45 and 60 with the horizontal, respectively. The ball having the smallest range is
16
Sep
Four balls A,B,C and D are projected with equal velocities having angles of projection 15, 30, 45 and 60 with the horizontal, respectively. The ball having the smallest range is 30 45 and 60 with the horizontal B C and D are projected with equal velocities having angles of projection 15 Four balls A respectively. [...]
The displacement of a body at any time t after starting is given by s = 15t – 0.4t^2. Find the time when the velocity of the body will be 7 ms^-1.
16
Sep
The displacement of a body at any time t after starting is given by s = 15t – 0.4t^2. Find the time when the velocity of the body will be 7 ms^-1. The displacement of a body at any time t after starting is given by s = 15t - 0.4t^2. Find the time when [...]
A large number of bullets are fired in all directions with the same speed v. The maximum area on the ground on which these bullets will spread is
16
Sep
A large number of bullets are fired in all directions with the same speed v. The maximum area on the ground on which these bullets will spread is A large number of bullets are fired in all directions with the same speed v. The maximum area on the ground on which these bullets will spread [...]
Two projectiles, one fired from from surface of earth with velocity 10 m/s and other fired from the surface of another planet with initial speed 5 m/s trace identical trajectories. The value of acceleration due to the gravity on the planet is
16
Sep
Two projectiles, one fired from from surface of earth with velocity 10 m/s and other fired from the surface of another planet with initial speed 5 m/s trace identical trajectories. The value of acceleration due to the gravity on the planet is If a body A of mass m is thrown with velocity v at [...]
A projectile is thrown into air so as to have the maximum possible range equal to 200. Taking projection point as origin, the coordinates of the point where the velocity of the projectile is minimum, are
16
Sep
A projectile is thrown into air so as to have the maximum possible range equal to 200. Taking projection point as origin, the coordinates of the point where the velocity of the projectile is minimum, are A projectile is thrown into air so as to have the maximum possible range equal to 200. Taking projection [...]
A ball of mass m is thrown vertically upwards. Another ball of same mass is thrown at an angle θ to the horizontal. If the time if flights for both is same, the ratio of maximum height attained by them
16
Sep
A ball of mass m is thrown vertically upwards. Another ball of same mass is thrown at an angle θ to the horizontal. If the time if flights for both is same, the ratio of maximum height attained by them A ball of mass m is thrown vertically upwards. Another ball of same mass is [...]
A particle is thrown such that its time of flight is 10 s and horizontal range is 500 m.
16
Sep
A particle is thrown such that its time of flight is 10 s and horizontal range is 500 m. A particle is thrown such that its time of flight is 10 s and horizontal range is 500 m. September 16, 2020 Category: Cengage NEET by C.P Singh , Chapter 4 - Motion in Plane , [...]
A stationary particle of mass m = 1.5 kg is acted upon by a variable force. The variation of force with respect to displacement is plotted in fig a. Calculate the velocity acquired by the
16
Sep
A stationary particle of mass m = 1.5 kg is acted upon by a variable force. The variation of force with respect to displacement is plotted in fig a. Calculate the velocity acquired by the A stationary particle of mass m = 1.5 kg is acted upon by a variable force. The variation of force [...]