Venus has a gravitational force of 8.9 N/kg. Its radius is 6,051 kilometers. How far away from the surface of Mercury would you need to move in order to experience a
gravitational force of 0.556 N/kg?
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Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?

The image below shows numerous volcanic mountains in the pacific northwest. what is the most likely cause of the volcanic and earthquake activity in this region?

The softest and hardest minerals are: softest hardest