If you compare the energy at two different times in an equation, you'll see no difference, because it's been conserved. The total energy of a system is the sum of its energy in motion - its kinetic energy - and its energy due to its position, which is its potential energy
Answer:
Part a)

so here the angle made by the string is independent of the mass
Part b)

Explanation:
Part a)
Let the string makes some angle with the vertical so we have force equation given as


so we will have


so here the angle made by the string is independent of the mass
Part b)
Now from above equation if we know that angle made by the string is

so we will have




B you wold go from the crust all the way to the inner core
Answer:
See explanation for details
Explanation:
The stored electric field energy can be greater than the stored magnetic field energy
-The stored electric field energy can be equal to the stored magnetic field energy
-The stored electric field energy can be less than the stored magnetic field energy
-AS the capacitor is discharging, the current is increasing