Answer: 176.4 Joules
Explanation: Potential energy of a body is defined as the energy possessed by virtue of position.
Potential energy 
m = mass of the body = 6 kg
g = acceleration due to gravity = 
h = height of body = 3 m
Potential energy 
= 176.4Joules {
}
The focus of Lesson 1 is Newton's first law of motion - sometimes referred to as the law of inertia. An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. Hope this helps :)
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Answer:
The Kelvin temperature scale is used by scientists because they wanted a temperature scale where zero reflects the complete absence of thermal energy. ... Many quantum mechanical properties are washed out by the thermal agitation that occurs in materials.
