Question

plz answer me fastly........​

Answer 1

SOLUTION

Let the height of the tower be 20m

so,

v^2= u^2 +2gh

=)(If g is given 10m/s^-2 then)

=) v^2= 0+ 2× 10×20

=) v= √400

=) v= 20m/s

hope it helps☺️⬆️