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Q1 a magnifier has a magnification of 7xhow far from the

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Q1. A magnifier has a magnification of 7x.

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

Q2. A 1.8 kg ball of putty moving to the right has a head-on inelastic collision with the .50 kg putty ball moving to the left. If the combined blob doesn't move just after the collision, what can you end about the relative speeds of the balls before they collided?

Reference no: EM13355128

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