Created by StemPy LabA vernier callipers has a least count of ( vernier divisions). Measuring a bolt, the main scale reads and the th vernier line coincides with a main scale line. What is the diameter of the bolt?
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← Two pieces of pipe, 12.65 m and 3.1 m long, are joined end to end. How should the total length be written?The figure shows a screw gauge (least count 0.01 mm) with its two faces touching. The datum line is at division 4 of the circular scale, and the scale's zero is **below** the datum line. The same gauge then reads 2.86 mm on a wire. What is the real diameter of the wire? →
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