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Q. Suppose that when you ride on your 8.50-kg bike the weight of you and the bike is supported equally by the two tires. If the gauge pressure in the tires is 65.5 lb/in2 and the area of contact between each tire and the road is 7.13 cm2, what is your weight?

Q. A vertical scale on a spring balance reads from 0 to 170 . The scale has a length of 12.0 from the 0 to 170 reading. A fish hanging from the bottom of the spring oscillates vertically at a frequency of 2.20.

Ignoring the mass of the spring, what is the mass of the fish?

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