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2 answers:
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Potential Energy of an object of 5kg which is 6 meters in height is 294 Joules.
Step-by-step explanation:
We are given:
Mass = m = 5 kg
Height = h= 6 meters
Potential Energy = ?
The formula used to find Potential Energy is:
where m is mass, g is gravitational field and h is height
Putting the given values of mass and height, and g=9.8 m/s^2
So, Potential Energy of an object of 5kg which is 6 meters in height is 294 Joules.
Keywords: Potential Energy
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It is completing the square. Very useful since it finds the min or max.
y = x^2 + 8x + 17
y = (x^2 + 8x + ... ) + 17
y = x^2 + 8x + (8/2) ^2 + 17 - 4^2
y = (x^2 + 8x + 4^2 ) + 17 - 16
y = (x^2 + 8x + 16) + 1
y = (x + 4)^2 + 1
This means that the graph has a minimum at (-4 , 1) Check it out on the graph I've given you.
y = x^2 + 8x + 17
y = (x^2 + 8x + ... ) + 17
y = x^2 + 8x + (8/2) ^2 + 17 - 4^2
y = (x^2 + 8x + 4^2 ) + 17 - 16
y = (x^2 + 8x + 16) + 1
y = (x + 4)^2 + 1
This means that the graph has a minimum at (-4 , 1) Check it out on the graph I've given you.