What causes the earth to rotate

A spring is stretched from x=0x=0 to x=dx=d, where x=0x=0 is the equilibrium position of the spring. It is then compressed from x=0x=0 to x=-dx=-d. What can be said about the energy required to stretch or compress the spring?

A team of engineers is working together to design a new airplane. The team members each live in different cities. For which purpose is the Internet most useful to the team?

What is the difference between a general and a specific tolerance, and how can you tell the difference on a drawing?

If the speed of light in a sphere is 2 * 108 m/s, its index of refraction is

If you drop a baseball with the mass of 135 grams and drop a softball with the mass of 270 grams which one would hit the ground first

Which nitrogen base sequence is the partner of C-A-T-C-G-A? O C-A-T-C-G-A O G-T-A-G-C-T OT-G-C-T-A-G O G-C-A-T-G-T TI

What is the kind of energy that comes from movement?

The average kinetic energy of 1 mole of a gas at 273 degrees Celsius is: 6.81 x 103 J 3.40 x 103 J 1.51 x 103 J 6.72 x 101 J

Which one of the following crystal structures has the fewest slip directions and therefore the metals with this structure are generally more difficult to deform at room temperature? a. BCC b. FCC c. HCP d. BCT

To rid the body of wastes, including excess water and salts" is the purpose of what human body system? A) Digestive B) Excretory C) Skeletal D) Nervous