Question

Me ajudem por favor, preciso pra hoje

( )30m
( )40m
( )20m
( )10m

Answer 1

H = g t2/2

5 = 10 × t2/2

10 = 10 × t2

10/10 = t2

1 = t2

t2 = 1

t = √1

t = 1 s

Vo = d/ delta t

10 = d/ 1

d = 10 × 1 = 10m <=Resposta.