If you wanted to create a negatively charged sphere through charging by conduction, which of the following would you need to have or do? Select all that apply. Group of answer choices

You need a positively charged object

You need a negatively charged object.

You need a ground to connect to the sphere.

You need a ground to connect to your charged object.

You need to touch the sphere to your charged object.

You need to not touch the sphere to your charged object.

You need to polarize your sphere.

Is a  vector quantity  that refers to "the rate at which an object changes its position." imagine a person moving rapidly - one step forward and one step back - always returning to the original starting position. while this might result in a frenzy of activity, it would result in a zero velocity. because the person always returns to the original position, the motion would never result in a change in position. since velocity is defined as the rate at which the position changes, this motion results in zero velocity. if a person in motion wishes to maximize their velocity, then that person must make every effort to maximize the amount that they are displaced from their original position. every step must go into moving that person further from where he or she started. for certain, the person should never change directions and begin to return to the starting position.

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