An object that is moving must have a change

A)

its speed.

B)

its position

Formulas

0

its acceleration

its applied force.

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What will happen when two objects with opposite electric charges are moved closer together? A; the objects will attract each other with a greater force? B; the objects will attract each other with a smaller force?

Consider an atom. Which contributes most to the size of the atom?

Two trains start from towns 240 mi apart and travel towards each other on parallel tracks. they pass each other 1.6 hr later. If one train travels 10 mph faster than the other, find the speed of each train ... ?

A pair of electrically charged objects attract each other with a force of 20 n when they are a distance of 5 m apart. if their charges stay the same, then what will be the attractive force between them when they are 20 m apart?

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The "zone of avoidance" a) Accounts for the absence of any planet between the orbits of Mars and Jupiter Prevents collisions between planets in the Solar System.

Electric current is ...