A60-kg person is traveling in a car moving at 16 m/s, when the car hits a barrier. the person is not wearing a seat belt, but is stopped by an air bag in a time interval of 0.20 s. determine the average force that the air bag exerts on the person?

True or false graphs must include scales that increase by the same amount

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.

Which of the following is not a means to accelerating? question 4 options: a)increase speed b)remain still c)decrease speed d)change direction