answer

Asked by  | 14th Sep, 2008, 01:20: PM

Expert Answer:

Let the height of tower be h.

As per question,

h/2=1/2g(3)2

h=1/2g((18)0.5  )2

Hence time taken to reach ground,t=(18)0.5  =4.71 s

Answered by  | 15th Sep, 2008, 11:50: AM

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