Question

Three particles of equal masses travelling with velocities of 10 m/s,20m/s, 30m/s , respectively along x - axis at an angle 30 degrees to the direction of positive x - axis and y- axis collide simultaneously and get sticked to each other​

Answer 1

Answer:

10/3. square root 20+ root3

Explanation:

m1u1+m2u2+m3u3 is equals to m1v1+m2v2 + m3v3

M is same in all values V is also constant

m(u1+u2+u3) is equals to m(v+v+v)

u1+u2+u3 is equals to 3v

u1 equals to -10 i cap

u2 is equals to -20 cos 30 i cap -20 sin j cap

u3 is equals to -30 j cap

u1+u2+u3 is equals to -10(1+root 3) i cap - 40 j cap

total answer is equals to 10/3 square root 20+2 root 3 is equals to v