â¢ What happened to the sound as you slid the ruler back onto the desk? â¢ Describe the motion of the ruler. 2 1 MATERIALS ruler Pitch depends on the frequency of a sound wave. When you listen to music, you hear both high and low sounds. The characteristic of highness or lowness of a sound is called The frequency of a sound wave determines the pitch of the sound you hear. Remember that frequency is the number of waves passing a fixed point in a given period of time. A high-frequency wave with short wave-lengths, such as that produced by a tiny flute, makes a high-pitched sound.
Report This | Share this:How long does Metformin stay in your system?Sorry, one more thing. Clinically speaking, metformin peaks in the system 1-3 hours after taking it. It has a half-life of 6.2-17.6 hours.
For regular (not long-acting) metformin, the dosing varies with age, as follows: 1  Age 10 to 16 -- The recommended starting dose is metformin 500 mg twice daily. The maximum dosing for people in this age group is metformin 2000 mg total per day, divided into two or three doses.