All of the following are examples of velocity except
O
A. a bicyclist traveling 25 km/hr northwest
O
B. a northbound train moving at 60 km/hr
O
C. a dog trotting at 2km/hr eastward toward
his master's home
D. a unicyclist riding 1km/hr on a tightrope at
the circus
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The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation , where i is the intensity of a given sound and is the threshold of hearing intensity. what is the intensity, in decibels, [i(db)], when ? use a calculator. round to the nearest whole number. 8 9 19 80

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