An ion is a particle, such as an atom, that has become charged because it has different numbers of protons and electrons

True or False

An ideal parallel - plate capacitor consists of two parallel plates of area A separated by a distance d. This capacitor is connected to a battery that maintains a constant potential difference across the plates.

Which physical property is shown by scratching one material with another

If a ball is thrown vertically upward with a velocity of 80 ft/s, then its height after t seconds is s = 80t - 16t 2.

The element oxygen forms molecules that each contain two oxygen atoms. The elements carbon and oxygen form molecules that each contain one carbon atom and two oxygen atoms. Which statement is true?

Calculate the magnitude of the force on the child causing the centripetal acceleration if the ride is midway up the circle (on his way up). express your answer in terms of mg.

The Sun transfers light energy that is transformed into what kind of energy in plants?

The siren of a fire engine that is driving northward at 30.0 m/s emits a sound of frequency 2000 Hz. A truck in front of this fire engine is moving northward at 20.0 m/s.

If an atom has 34 protons and 40 neutrons, what is the mass number?

The atomic mass of an atom (in amu) is equal to Question 11 options: A. the total number of its protons, neutrons, and electrons B. the total number of electrons C. the total number of protons D. the total number of its protons and neutrons E.

12. Which of these describes the gravitational force from a planet?" O large and pulls objects toward itself small and pulls objects toward itself O small and pushes objects away from itself O large and pushes objects away from itself