<span>Reducing the distance between them. In theory, also increasing the mass; but you can't really change the mass of an object. However, you can compare the forces if you replace an object by a different object, which has a different mass.
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i hope this will work..
Complete Question
The complete question is shown on the first uploaded image
Answer:
The value is 
Explanation:
From the question we are told that
The depth is 
The time taken for water to fall to below the river is 
The horizontal distance from the base of the vertical cliff is 
Generally the horizontal speed at the top is mathematically represented as

=> 
=> 
Answer: 
Explanation:
Given
length of the rod is L=0.9 m
Mass of the rod m=3.8 kg
Point masses has mass of m=2.3 kg
Moment of Inertia of the rod about the center is

Moment of inertia of combined system is the sum of rod and two point masses.

