A standing wave is created in a 2.4-meter long rope by vibrating the rope 76 times in 10.0 seconds. The diagram below represents the standing wave pattern created for this frequency. The wavelength is meters, the frequency is hertz and the speed is meters/second.

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? yourunits 3. a clothes dryer uses about 2 amps of current from a 240 volt line. how much power does it use? yourunits 4.