Question

A man in a boat being rowed away from a tower 280m high situated on the bank of a river takes
1.5 minutes to change the angle of elevation of the top of the tower from 600
to 400
. Find the speed
of the boat.​

Answer 1

calculate the answer your self please I can give the equation for now

$\frac{ \frac{280}{\sqrt{3} } - \frac{2800}{8} }{90}$

this will give approx ans in m/s

I m taking 600 to 400 as 60° to 40°