Question

Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such plate has an average speed of 4.0 cm/year. (a) What distance does it move in 1 s at this speed? (b) What is its speed in kilometers per million years?

a) $1.3 \textrm{ nm}$

b) $40 \textrm{ km/My}$

Solution Video