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.
How Long Does Methadone Stay in Your System? The effects of methadone last longer than those of morphine, and this is reflected in the detection time. In a urine test, the typical detection time is 7-10 days, which is considerably longer than the 2-4 days for morphine. There are even reports of maintenance users showing positive for methadone 10-30 days after their last use. Saliva tests are much easier to pass, with the detection time typically being only 24 hours.