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Describe the difference between contact forces and field forces.
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Ais a multilevel way of grouping items based on common properties among them. a. memory b. conceptual hierarchy c. schema d. semantic network
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The focal length of a lens is determined by the curve of the lens and the material that the lens is made from. (5 points) is this true or false? ?
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Three point charges have equal magnitudes, two being positive and one negative. these charges are fixed to the corners of an equilateral triangle, as the drawing shows. the magnitude of each of the charges is 5.6 µc, and the lengths of the sides of the triangle are 3.9 cm. calculate the magnitude of the net force that each charge experiences.
Answers: 1
Describe the difference between contact forces and field forces....
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