How far from the lens should an object be placed

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Q. If a car of mass 1000 kg is moving along a highway at 92 km/h, what is the car's kinetic energy as determined by someone standing alongside the highway?

Q. A magnifier has a magnification of 6x.

How far from the lens should an object be placed so that its (virtual) image is at the near-point distance of 25 cm?

Reference no: EM1357641

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