Atrain has a constant speed of 10 m/s around a track with a diameter of 45 m what is the centripal acceleration?
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Ответ:
Explanation:
When an object goes on a circular movement, it has a centripetal acceleration that always points toward the center of the circle, it is the responsible of the change of direction in the movement of the object. and that centripetal acceleration is related with the speed in the next way:
Ответ:
an electrically neutral object contains the same amount of positive charge as negative charge, resulting in no net charge. typically, this means the same number of protons and electrons.