Tectonic plates are large segments of the earth

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Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has an average speed of 3.5 cm per year.

(a) What distance does it move in 39 seconds at this speed?

m

(b) What is its speed in miles per million years?

mi/My

(a) A car speedometer has a 7% uncertainty. What is the range of possible speeds when it reads 80 km/h?

km/h (lowest)

km/h (highest)

(b) Convert this to miles per hour.

mi/h (lowest)

mi/h (highest)

Reference no: EM132512683

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