The potential energy of the body is "200 Joule".
According to the question,
Mass,
Height,
or,
= 2 m
As we know,
→ The potential energy will be:
= 
By putting the given values, we get
= 
= 
Thus the above answer is right.
Learn more about potential energy here:
brainly.com/question/23859978
Answer:
Light travels fast in air but i dont know about water
Gravitational force of attraction between two objects can be calculated from the following formula:
Where m with subscript stands for mass of the object and r is the distance between them.
When we double the mass of those two objects, distance between them stays the same, while in the numerator we have:
When numerator in the second case 4 times greater than the 'original' numerator and denominator stays the same, force becomes 4 times greater.
Answer: 5 gm/cc
Explanation:
200 gm/40 cc
= 5 gm/cc
