If the cutting speed of aluminum is 300 sfm and the work piece diameter is 4.00", What is the RPM?

Several mountains together form a mountain . a few of these combined form a mountain system. several systems combined form a mountain , which can stretch thousands of miles in length.

What is relative velocity? in which condition is relative velocity known by adding the velocity of the first body and that of the second body

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system