Two balls have masses 32 kg and 70 kg. the 32 kg ball has an initial velocity of 96 m/s (to the right) along a line joining the two balls and the 70 kg ball has an initial velocity of −47 m/s. the two balls make a head-on elastic collision with each other. 32 kg 96 m/s 70 kg −47 m/s what is the final velocity of the 32 kg ball? answer in units of m/s. 014 (part 2 of 2) 10.0 points what is the final velocity of the 70 kg ball? answer in units of m/s.

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.