2. As a pendulum swings, its energy is constantly converted between kinetic

energy and potential energy. At which point in its swing does a pendulum have

the greatest potential energy and the least kinetic energy? *

O

A. at point F

O

B. at point G

O

C. at point H

O

D. at point J

answer fast

at point F

Explanation:

To know the point in which the pendulum has the greatest potential energy you can assume that the zero reference of the gravitational energy (it is mandatory to define it) is at the bottom of the pendulum.

Then, when the pendulum reaches it maximum height in its motion the gravitational potential energy is

U = mgh

m: mass of the pendulum

g: gravitational constant

The greatest value is obtained when the pendulum reaches y=h

Furthermore, at this point the pendulum stops to come back in ts motion and then the speed is zero, and so, the kinetic energy (K=1/mv^2=0).

A) answer, at point F

explanation:

considering the bohr theory, the type of connection that requires the transfer the answer conuldn't be right

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach