Potential energy = mass x acceleration due to gravity x height
= 2.5 x 9.8 x 2.2
= 53.9 J.
Hope this helps!
Hello, Jcparris
Your answer is A. The potential energy is at its greatest point
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Answer:
102 m upwards.
Explanation:
Just from a qualitative analysis we can tell the mass it needs to go upwards. How much we determine with the fact that the increase will be - in absolute value - equal to the work gravity does on it to go down that same distance.
Fixed that work being 1 kJ, we get

The ratio of the total charge on the charges, Q2/Q1 is; 9
<h3>Electric field and Total Charge</h3>
The electric field due to a charge is directly proportional to its magnitude and inversely proportional to the square of the distance to such point;
Since, E1 = E2, it follows that;
Where, d1 = 0.5 and d2 = 1.5
Q2/Q1 = 9.
Read more on electric fields;
brainly.com/question/14372859
In 1600 when William Gilbert published De Magnete