If I am reading this correct, the energy content would decrease for the liquid to solidify
Answer:
72Watts
Explanation:
Power = Force * distance/Time
Given the following
Force = 2.4 x 10^2 = 240N
distance = 1.2m
Time = 4.0secs
Substitute
Power = 240*1.2/4
Power = 60 * 1.2
Power = 72watts
Hence the power required to lift the box is 72Watts
Drag;
Drag is the aerodynamic force that opposes an aircraft's motion through the air. Drag is generated by every part of the airplane (even the engines!). How is drag generated? Drag is a mechanical force. It is generated by the interaction and contact of a solid body with a fluid (liquid or gas).
The drag on an object depends on several variables. The most important of them, to understand the experiments you carried out is the area of the object.
The area of the object is the most important factor to understand the experiments.
Learn more about Drag on:
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<em>The answer you are looking for is: </em>
<em><u>A.) Transfer energy by vibrating particles of matter </u></em>
<em>Hope that helps/!!! </em>
<em>Have a wonderful day!!! </em>
Heat of combustion.<span> The calorific value is the total energy released as heat when a substance undergoes complete combustion with oxygen under standard conditions. The chemical reaction is typically a hydrocarbon or other organic molecule reacting with oxygen to form carbon dioxide and water and release heat.</span>
