Lowest frequency standing wave: fundamental. The lowest standing wave frequency is called the fundamental or first harmonic. For this mode, all parts of the string vibrate together, up and down. Of course, the ends of the string are fixed in place and are not free to move. We call these positions nodes: a node is a point on the string that does not move.
You need protein for your muscles, bones, and the rest of your body. Exactly how much you need changes with age: 1  Babies need about 10 grams a day.2  School-age kids need 19-34 grams a day. 3  Teenage boys need up to 52 grams a day. 4  Teenage girls need 46 grams a day. 5  Adult men need about 56 grams a day.6  Adult women need about 46 grams a day (71 grams, if pregnant or breastfeeding).xactly how much you need changes with age: 1  Babies need about 10 grams a day. 2  School-age kids need 19-34 grams a day. 3  Teenage boys need up to 52 grams a day. 4  Teenage girls need 46 grams a day.
Sedentary Adult. If you are a fairly sedentary adult, calculate your daily protein requirements by multiplying your body weight in pounds by 0.4. For example, if you weight 120 lbs., you should consume about 48 g of protein per day. If you weight 170 lbs., you should consume about 68 g of protein per day. If you weigh 200 lbs., consume about 80 g of protein per day. If you are a fairly active adult -- getting at least 30 minutes of moderately intense exercise at least several times per week -- your protein requirements will be somewhat higher.