Someone sprays perfume in another room. It can be smelled a few minutes later. Which process is this called?

Suppose a wire with a current is pushed upward by a magnetic field. how would the wire move if the direction of the current reversed? explain your answer.

What pressure difference is required between the ends of a 2.0-m-long, 1.0-mm-diameter horizontal tube for 40 c water to flow through it at an average speed of 4.0 m/s?

What you see with your eyes is a form of energy. a. light b. heat c. chemical d. electrical