Answer:
the velocity will increase 20 m/sec each second
Explanation:
We have given that the acceleration due gravity is [tex]g=20m/sec^2[/tex]
We have to find the increase in the speed each second
We know that acceleration is nothing but rate of change of velocity as it changes [tex]20m/sec^2[/tex] so the speed will also changes with 20 m/sec
For proper understanding
As the object is falling freely so initial velocity u =0 m/sec
Acceleration due to gravity [tex]g=20m/sec^2[/tex]
Time - 1 sec
From first law of motion
[tex]v=u+gt=0+20\times 1=20m/sec[/tex]