From the information given, cannon ball weighs 40 kg and has a potential energy of 14000 J.
We need to find its height.
We will use the formula P.E = mgh
Therefore h = P.E / mg
where P.E is the potential energy,
m is mass in kg,
g is acceleration due to gravity (9.8 m/s²)
h is the height of the object's displacement in meters.
h = P.E. / mg
h = 14000 / 40 × 9.8
h = 14000 / 392
h = 35.7
Therefore the canon ball was 35.7 meters high.
The distance it traveled and the time that it took to travel that distance
They are poor conductors because they keep the heat trapped in one spot, while other materials like metal let the heat go through itself.
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The total is 21. If you use a calculator or count with your fingers it can help make the answer easier so in the end you will get 21 as your total.
