Which best identifies the requirements for work to be performed? an object that has a force acting on it an object that is moving and has no net force a force acting on a motionless object a force that moves an object

Hydroelectric power uses: wind water coal the sun

What is the distance covered when the speed is 960km/hr and time is 1 hour and 50 minutes?

A triangle can have at most how many right angle?

A source charge generates an electric field of 4286 n/c at a distance of 2.5 m. what is the magnitude of the source charge

Which statement is true about the inner planets of our solar system a. they formed before the sun formed b. they formed from dense elements c. they include mars and jupiter d. they have longer years

Which of the following indicates that a ChemicL change has taken place? (A) a change from liquid to a gas (B) an increase in the volume of a substance (C) a change in the color of a substance (D) a change from a solid to a liquid A precipitate is a

Which of these circuit schematics has an ammeter?

What is the meaning of the word corrosion?

Which change occurs when an atom undergoes alpha decay?

the line on the position time graph show the velocites of different vehicles which line represents a vehicle moving at constant velocity