PLEASE HELP ASAP WILL REWARD BRAINLIEST:)) The energy of a single flash of light from a stroboscopic lamp is 0.6 J.
The p. d. across the bulb is 240 V.
a) How much charge passes through the lamp during the flash?
b) If the flash lasts for 10 us, what is the average current?
c) What is the average power?

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.