Five students measured the same kind with the ruler shown below the results reported by the students were as follows 4.51 cm , 4.55cm, 4.5cm and 4.6 cm even though you cannot see the line they measured which of the recorded measurements is not correct acorriding to the precision of the ruler

answer would be letter choice (a),   a ball resting on a shelf. would be another example of potential energy   >   stored energy > not moving.

a ball spinning on a finger   >   kinetic energy > moving energy

a ball rolling on the ground   >   kinetic energy   > moving energy

a   ball flying through the air   > kinetic energy   >   moving energy

hope that                                         : )

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