Question

A kangarro jump 2.5m verticall.Its initial velocity is

Answer 1

Answer:

Explanation:

Displacement =2.5 m

retardation= 10 m/s2

final velocity = 0

v= final velocity

u= initial velocity

using 2as = v2 - u2

         2*-10*2.5=(0)2  -  u2

         -50= -u2

          u= root 50