Who first proposed that each layer of rock represented a specific interval of geologic time?

A positive charge is placed within the sphere without touching it. You grounded the sphere by touching it with your finger. Then you first removed your finger and then pulled the charge from inside the sphere, again without touching it.

What kind of energy is stored in a flashlight battery and enables it to function? Mechanical Chemical Gravitational Electrical

A bicycle wheel rotates counterclockwise at a constant rate. You can use one of the wheel's spokes to measure the wheel's angular displacement, Delta theta.

The distance between neighboring singly charged sodium and chlorine ions in crystals of table salt (NaCl) is 2.82*10^-10m. What is the attractive electric force between the ions?

How strong is the electric field between two parallel plates 6.6 mm apart if the potential difference between them is 220 v? express your answer to two significant figures and include the appropriate units?

A 0.18-kg ball on a stick is whirled on a vertical circle at a constant speed. When the ball is at the three o'clock position, the stick's tension is 19 N.

Explain Newton's third law in your own words.

How are Global winds and Local winds similar?

Which insurance would contradict the big bang theory

An earthquake causes a 3 kg book to fall from a shelf. If the book lands with a speed of 4.0 m/s, from what height did it fall? A. 2.8 m B. 1.4 m C. 0.6 m D. 0.8 m