What is the lowest level of sound that can be detected by human hearing? 0 hz 10 hz 20 hz 100 hz

Which statement correctly describes the relationship between frequency and wavelength?

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your

Select the three ways that the parallel-plate capacitor differs from a car battery.