Answer 1

5p   болат жауабы

Answer 2

t=1 c                                               Формула  a(үдеу)=V2-V1/t

V1 =10 м/с                                                      k(асқын салмақ )=1+а/g

V2= 50 м/с                                       Шешуі:а=50-10/1=40

g=10                                                           k=1+40/10=1+4=5