Which of the following is an example of static friction? a) a hockey player shooting a puck into the goal. b)a marble rolling down a street c)rubbing sticks together to create a fire d)leaning against a rock to take a break.

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

(1 point) match the differential equations and their vector valued function solutions. you may wish to multiply at least one solution out fully, to make sure that you know how to do it. you can get the other answers quickly by process of elimination and just multiply out one row element.

In a good thermo flask the main cause of heat loss is