mass=massdensity*L*W*depth
I would change all the lengths to meters first, to make the answer come out in kg.
The current theory of the structure of the
Earth, called plate tectonics, tells us that the
continents are in constant motion.
Assume that the North American continent
can be represented by a slab of rock 5250 kmon a side and 35 km deep and that the rock
has an average mass density of 2630 kg/m3
.
The continent is moving at the rate of about
4.6 cm/year.
What is the mass of the continent?
Answer in units of kg.
1 answer
1 answer