"Middle C", also known as "Do" on the fixed do-solfege scale, is a note used when playing or singing music. The frequency of Middle Cis 261.63Hz, and the wavelength is 1.3187m. What is the speed of sound for "Middle c"

Adolphin emits ultrasound at 100khz and uses the timing of reflections to determine the position of objects in the water. part a what is the wavelength of this ultrasound? assume that temperature of water is 20 degrees c. answer in cm

Ideal meters problem. what internal resistance is ideal for a voltmeter? what internal resistance is ideal for an ammeter?

6. an article, which costs rs. 850 is sold at a profit of 6%.what is the selling price ? -a) rs.900 b) rs. 901 c) rs. 890 d) rs. 905