Explain why if charge cannot be created or destroyed, electrically neutral objects can become electrically charged

During energy transformation, all energy systems: are a. 100 percent efficient b. lose energy c. gain heat energy d. create energy

Whats the answer to 45 + 54 : p - q

You did 200 of work lifting a 150 newton-pack. how high did you lift the bookbag

Velocity is intensive how?

What factors would influence a balls ability to conserve energy

What happens when sediments are buried, compacted, and cemented together

What is the magnitude of the gravitational force the apple exerts on earth?

What is the period of a 1.00 m long pendulum?

Kaylie is describing the physical properties of an orange and a lemon. which two physical properties can she determine without using any measurement instruments

What is an example of a third class lever and why use it? A) pulley; changes direction B) baseball bat; increases velocity Eliminate C) car jack; increases the weight it can lift D) wheel barrow; makes it easier to move a load