Two particles A and B of masses 1kg and 2kg respectively are projected in the directions shown in figure with speeds `u_A=200m//s` and `u_B=50m//s`. Initially they were `90m` apart. They collide in mid air and stick with each other. Find the maximum height attained by the centre of mass of the particles. Assume acceleration due to gravity to be constant.
`(g=10m//s^2)`

Two particles A and B of mass 1 kg and 2 kg respectively are projected in the direction shown in figure with speeds u_(A) = 200 ms^(-1) and u_(B) = 50 ms^(-1) . Initially they were 90 m apart. Find the maximum height attained by the center of mass of the particles. Assume acceleration due to gravity to be constant. (Take, g=10 ms^(-2) .

Two particles A and B of mass 1 kg and 2 kg respectively are projected in the direction shown in figure with speeds u_(A) = 200 ms^(-1) and u_(B) = 50 ms^(-1) . Initially they were 90 m apart. Find the maximum height attained by the center of mass of the particles. Assume acceleration due to gravity to be constant. (Take, g=10 ms^(-2) .

Two particles A and B masses 1 kg and 2 kg respectivelty are projected in the same vertical line as shown in figure with speeds u_(A) = 200 m//s and u_(B) = 85m//s respectively. Initially they were 90 m apart. Find the maximum height attained by the centre of mass of the system of particles A and B, from the initial position of centre of mass of the system. Assume that none of these particles collides with the ground in that duration Take g = 10 m//s^(2)

Two particles A and B are projected simultaneously in the direction shown in the figure with velocities V_(A)=20m//s and V_(B)=10m//s respectively. If they collide in air after 1/2 sec. then

Two particles P and Q have mass 1 kg and 2 kg respectively. They are projected along a vertical line with velocity u_(p) = 20 m/s and u_(Q) = 5 m/s when separation between them was 60 m. P was projected vertically up while Q was projected vertically down. Calculate the maximum height attained by the centre of mass of the system of two particles, measured from the initial position of P. Assume that the particles do not collide and that the ground is far below their point of projection [g = 10 m//s^(2)]

Two particles of masses 1kg and 2kg respectively are initially 10m aprt. At time t=0 , they start moving towards each other with uniform speeds 2m//s and 1m//s respectively. Find the displacement of their centre of mass at t=1s .

Two particles of masses 1kg and 2kg respectively are initially 10m aprt. At time t=0 , they start moving towards each other with uniform speeds 2m//s and 1m//s respectively. Find the displacement of their centre of mass at t=1s .

Two particles A and B of masses 2kg and 3kg moving on a smooth horizontal surface with speed 1m//s and 2m//s collides perfectly inelastically, then