Action-Reaction

Problems

practice

  1. Suppose everyone in China was to jump in the air simultaneously. Estimate the following quantities to the nearest order of magnitude …
    1. the acceleration of the earth
    2. the initial velocity of the earth
    3. the maximum displacement of the earth
  2. The smart-assed horse problem.
  3. Write something different.
  4. Write something completely different.

numerical

  1. problem

The Physics Hypertextbook

  • No condition is permanent.