For each of the following shifts in the demand curve and associated price change of a complement or substitute item, explain whether the price of the complement or substitute must have increased or a decreased. a. a rise in the demand for a dashboard global positioning-system device follows a change in the price of automobiles, which are complements. b. a fall in the demand for e-book readers follows a change in the price of e-books, which are complements.

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine

Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?

If there's a small amount of friction between two surfaces, the result could be select all that applya. no movement b. heatc. a little bit of movementd. sliding around