Sarah owns a book store. she is planning to stock some books by a famous author. but she has a tight budget, and she is not sure whether to stock all the previous books by the author or only the latest ones. what is the scarce resource in this scenario?

Newton's law of universal gravitation states that the force f between two masses, m1 and m2, is given below, where g is a constant and d is the distance between the masses. find an equation that gives an instantaneous rate of change of f with respect to d. (assume m1 and m2 represent moving points.)

Avehicle has an oil leak that is causing the entire oil pan to be wet, but inspection reveals no exact source after cleaning off the oil residue. technician a says to install a fluorescent dye in the crankcase and operate the engine, then re-inspect for leaks with a special light (black light). technician b says the oil leak may be coming from a source at the top of the engine, such as a valve cover gasket. who is correct?

Acalorimeter uses the principle that thermal energy flows from hotter material to colder material until both reach the same