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6. The convex lens of a copy machine has a focal length of 0.25m. A
letter to be copied is placed 0.4m from the lens. How far from the lens,
di, is the paper?

Which of the following represents a virtual image?

Asatellite component is in the shape of a cube with 10cm edges, has an evenly distributed mass of 2 kg and one bolt hole at each of four corners. if the maximum predicted random vibration environment is 10 grms, what bolt size would be a good choice for restraint? what other factors might drive bolt size besides force/stress?

A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?