A TV Tower has a height h. Derive expression for the maximum distance upto which signals can be received on earth.
The question of minimum time and minimum distance in crossing a river.
A man crosses a river in a boat if he crosses the river in minimum time he take 10min with a drift 120metre if he crosses the river taking shortest path he takes 12.5min find the width of the river Incoming search terms:crossing a river in shortest distance and timecrossing the river in minimum timephysics [...]