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• February 16, 2022

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• PHY101 Physics I © Dr.Cem Özdoğan

• Based of the base units, we may need to change the units of a given quantity using the chain-link conversion.
• Generally it is done by multiplying original measurement by a conversion factor.
• For example, since there are 60 seconds in one minute,

• Chain-link conversions:
• 1.3 km x (1000 m)/(1 km) = 1300 m = 1.3 x 103 m
• 0.8 km x (1000 m)/(1 km) x (100 cm)/(1 m) = 80 000 cm = 8 x 104 cm
• 2845 mm x (1 m)/(1000 mm) x (3.281 ft)/(1 m) = 9.334 ft

• 1-4 Changing Units, Chain Link Method