Question

A stone is thrown vertically up from a bridge with velocity 3ms-1 if the strikes the water under the bridge after 2s the bridge is at a height of (g=10 ms-2) Kx 7 then the value of j is

Answer 1

ਪਸਠਛਪ ਠਛਠੲਗਧਫਛਠ ਠਚਠਛਚਫਛਡ ਛਫੲਡਬਦ ਛ ਛਠਚ ਓਇ