Rust forming on iron is an indication of which of the following?

A. atoms are being destroyed

B. A gas is forming

C. a chemical change is occurring

D. matter is being created

What does the blue arrow in the remote control box represent?

Sound waves travel slower in colder air than in warmer air why does the speed of sound depend on air temperature?

What is meant when Earth's systems are said to be "dynamic"? they are all the same type they are slow moving they cannot be measured they are constantly changing

How work done against gravity can be expressed?

The game was first named "Jeu de Paume" which meant "game of the hand" -true or False

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? 1 - positive 2 - negative 3 - zore

Which object has the most gravitational potential energy? A. an 8 kg book at a height of 3m B. an 5 kg book at a height of 3 m C. A 5 kg book at a height of 2 m D. a book at a height of 2 m

A moving object has a kinetic energy of 150 j and a momentum with a magnitude of 30.0 kg•m/s. determine the mass and speed of the object

How does changing depth affect water pressure

The mass of a rigid rod is 0.60 kg and its length is 39.0 cm. Calculate the moment of inertia (in kg · m2) for the rod if it is pivoted about an axis through the center of mass of the rod. (Assume the axis is perpendicular to the rod.