Joe the plumber

This page lists questions and answers that were posted by visitors named Joe the plumber.

Questions

The following questions were asked by visitors named Joe the plumber.

Answers

The following answers were posted by visitors named Joe the plumber.

Two years is right

That depends upon the force needed to pull the first block, before the second block was added. It also depends upon whether the two blocks are still being pulled at constant speed. Presumably the force is needed to overcome friction. If the same kind of w...

What is it reacting with? Or is it being formed?