If the total momentum for a system is the same before and after the collision, we say that momentum is conserved. if momentum were conserved, what would be the ratio of the total momentum after the collision to the total momentum before the collision?

Ratio = 1:1

Explanation:

= initial momentum of the system

= final momentum of the system

For the momentum to be conserved , final total momentum must be equal to initial total momentum, so we have

Dividing both side by , we get

hence

Ratio = 1

  distance on the y-axis and time on the x-axis.

explanation:

the instantaneous velocity = change in position/time taken

the slope of the graph should give instantaneous velocity.

  slope of a graph = change in value of y -axis / change in values of x -axis

  comparing both the equations

    change in value of y -axis = change in position

  change in values of x -axis = time taken

so position values should be on the y axis and time values should be on the x axis.

distance on the y-axis and time on the x-axis.

because growing process had stoped after 4-5 year