Victor is picking out some movies to rent, and he is primarily interested in foreign films and horror films. he has narrowed down his selections to 9 foreign films and 6
horror films.
step 1 of 2: how many different combinations of 4 movies can he rent?

You are about to open a container of soy milk but notice that there are instructions to “shake well before serving.” the soy milk is most likely a

An electromagnet is a device in which moving electric chargers in a coil of wire create a magnet. whats one advantage of using electromagnetic in devices

Two loudspeakers, 5.5 m apart and facing each other, play identical sounds of the same frequency. you stand halfway between them, where there is a maximum of sound intensity. moving from this point toward one of the speakers, you encounter a minimum of sound intensity when you have moved 0.33 m . assume the speed of sound is 340 m/s. part a) what is the frequency of the sound? part b) if the frequency is then increased while you remain 0.21 m from the center, what is the first frequency for which that location will be a maximum of sound intensity? express your answer to two significant figures and include the appropriate units.