Homework 1 due 9/4/20
Do not look up anything when trying these problems. Show, initial guess and all steps in making OOM approximation.
1) What is the mass of
a) a moose
b) a blue whale?
c) a termite
2) What is a range of flows for the Chena river?
Homework 2 due 9/18/20
Do not look up anything when trying these problems. Show, initial guess and all steps in making OOM approximation.
1) Imagine a long steel rod hanging under its own weight. How does the maximum length before it breaks depend on its cross-sectional area? Remember the max yield stress is the max force over the area.
2) Given the mass of the sun is ~2 x10^30 kg and the radius of the earth is ~6x10^6 m. Estimate the mass of earth and the ratio mass of sun/mass of earth
Homework 3 due 9/23/20