The power is equal to energy transferred per unit time.
So, here power will be due to potential energy of the water kept at a certain height. And water is flowing down at the given flow rate.
The flow rate of water is 200kg/s
And the height given is : 15m
So, we calculate the potential energy as: mgh
Where m is the mass,
g is acc due to gravity = 9.8m/s
h is the height
So, potential energy = 200kg*9.8*15
= 29,400 J
Therefore, the maximum power generated is 29400 J/sec = 29400 Watts
Answer:
Explanation:
Given
Two forces 
and 
at an angle of 
As resultant force is zero therefore horizontal component as well as vertical component of force is zero
squaring and adding 1 and 2
Divide 1 and 2 to get 
A 5kg backpack will weigh 49 newtons on earth
