Question

please answer this question then I will mark you as brainlist and I will give be 5 starts and I will also like it please andwer​

Answer 1

At the end of 4th second,

u= 50 (given)

t= 4 sec ( given)

v = u+at (a= -g = -10) as motion of ball upwards and gravity acts downwards..

v= 50 - 10(4)

= 10m/s

ans is 10m/s