If the force exerted by a canon on a cannonball is equal to the force exerted by a cannonball on a canon why does the cannonball move so much farther than the canon?

Achemistry student needs of 40ml diethylamine for an experiment. by consulting the crc handbook of chemistry and physics, the student discovers that the density of diethylamine is 0.7 . calculate the mass of diethylamine the student should weigh out. round your answer to significant digits.

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Which accurately compares concave and convex lenses?