Question

help help help..... urgently needed​

Answer 1

Answer:

40 m/s

Step-by-step explanation:

let maximum velocity be x

x²=u²+2×a×s

=10s

and next one

v²=x²+2×a×(200-s)

=-x²=2×-20×(200-s)

=x²=40(200-s)

x²=x²

10s=40(200-s)

s=800-4s

5s=800

s=160 m

x²=10s

x=√10×160

=40 m/s