A person who can produce sharp images on their retina only of objects that lie from 80 cm to 240 cm from the eyes needs bifocal lenses. Assume that the bifocal lenses are worn 2 cm from the eye. a) Determine the desired optical power of the lens enabling them to see far objects. Is this lens concave or convex?

speed

ratio of distance traveled to time interval

net force

vector sum of forces on object

object

source of diverging light rays either luminous or illuminated

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explanation:

increasing transnational kinetic energy. because the transnational kinetic energy formula consists of only two variables, mass and velocity, increasing one of those properties is the only way to increase an object's transnational kinetic energy. increases to mass and velocity, however, do not have the same impact.

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answerscientific theory;