Question

A stone 'X' of mass 2 kg is at the height of 2 m from the ground level
Another similar stone 'Y' of mass 4 kg is at the height of 4 m from the ground
level
. What is the difference between their potential energy?​

Answer 1

Answer:

80J

Step-by-step explanation:

Given:-

Mass of stone1= 2kg

Height of stone1= 4m

Mass of stone2= 4kg

Height of stone2= 4m

Potential Energy= m*g*h (m= mass, g= acceleration due to gravity, h= height of the object)

P.E.1= 2*10*4= 80J  [Potential Energy of 1st stone]

P.E.2= 4*10*4= 160J  [Potential Energy of 2nd stone]

Therefor difference between their P.E. = 160J-80J= 80J

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Answer 2

this my writing hope it is helpful