Asked by  | 14th Sep, 2008, 01:26: PM

Expert Answer:

Let the height of bridge be h.

Using equation of motion,


h=9.8 m

and v=4.9-9.8(2)=-14.7 ms-1

Answered by  | 14th Sep, 2008, 09:00: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.