A student leaves her house at 9 am, goes to Ridgedale, then goes to Green Mill on Hwy 55, and return home at 9 pm. What was her average velocity over these 12 hours?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Which type of basaltic lava flow has a fairly smooth

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.