The G string on a violin has a fundamental frequency of 196 Hz. It is 30.0 cm long. While this string is sounding, a nearby violinist effectively shortens (by sliding her finger down the string) the G string on her identical violin until a beat frequency of 4.2 Hz is heard between the two strings. When this occurs, how far down the string did she slide her finger

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

Which statement correctly describes the current in a circuit that is made up of any two resistors connected in parallel with a battery? a. the current in the battery and in each resistor is the same b. the current the battery equals to the sum of the currents in the resistors c.the current in the battery is less than the current in either resistor d. the current in the battery equals to the product of the currents in the resistors

Ain is , is 's of ? 0.62 0.79 1.27 1.50