he lengths of guitar strings are changed in order to produce different notes. Does shortening guitar strings increase or decrease the frequency of note produced by the string

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

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

If frequency goes up, what happens to wavelength? does it get shorter or longer?