What is the correct definition of pressure?

a) force per volume
b) gravity per unit
c) force per unit area
d) weight of the atmosphere

Why is metal often used for cooking pan?

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

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.