abba7866
Asked:
September 2023
A motor boat whose speed in 8 km/hr in still water takes 1 hour more to go 24 km upstream than to return downstream to the same spot. Find the speed of the stream.
abba7866
Asked:
December 2022
The angle between the incident ray and reflected ray is 120 what is the (1) angle of incidence? (2)angle of reflection?