Question

A projectile (of mass m) breaks into three equal pieces when reaches the highest

point of its trajectory. The three pieces fly off in different directions. State the value

of the magnitude of the sum of the vertical components of their momenta, at any

time t, after this ‘break up’ occurs.

Please answer it fast!​

Answer 1

Answer:

Explanation:

As there is no horizontal force acting so the path of COM will not change

Let the third mass be at a distancex from end point.

now the COM is at the end point.

So the coordinates of COM about end point is (0,0)

∴ m×0  +m×x  −m×  

2 R

​=0

x=  

2

R

​  

=50 m

distance of third mass from the point of projection is

R+x=150 m