Explain what it means when we say a substance is magnetic.

It takes 300 newtons of force and a distance of 20 meters for a moving car to come to stop

The detection of physical energy emitted or reflected by physical objects is called

Match the term to its definition. A. Conduction Heat flowing when a liquid or gas carries the heat B. Convection Heat flowing between two objects that are touching each other C. Radiation Heat flowing in waves

Which type of heat transfer occurs through electromagnetic waves? A. insulation B. conduction C. radiation D. convection

A box sits on a plane that is tilted 25° above the horizontal. A horizontal force of 30N acts on the box.

How does our sun differ from most other main sequence stars?

A large body of air hats has similar properties of a temperature and moisture is a

An ice rink is 200 feet long and 85 feet wide. The four corners of the rink are rounded to a radius of 24 feet. What is the surface area of the rink? Round the answer to the nearest square foot.

Which statement is correct about gasoline when it is burned? Heat energy is created by the gasoline. The total energy of the gasoline decreases. Chemical energy in the gasoline is destroyed. Chemical energy is transformed into heat energy.

The tilt of the Earth's axis of rotation changes over a period of 41,000 years. Which of these statements best predicts a long term effect of the changes in the tilt of the Earth's axis of rotation? a. The Earth's climate would change. b.