Question

9. Two spheres each of mass ‘m’, each moving
with velocity u moving in directions at 30°
S of E and 30°N of E respectively collide at
point O and stick to each other. The velocity
of the combination later becomes​

Answer 1

Explanation:

Two spheres each of mass 'm' each moving with velocity u moving in directions at 30°S of E and 30° N of E respectively collide at point O and stick to each other. The velocity of the combination later becomes.