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.
According to the Centers for Disease Control and Prevention, the recommended dietary allowance for protein for women over the age of 14 is 46 grams of protein. Teenage boys, on the other hand, should have a daily intake of 52 grams of protein, while adult men require 56 grams of protein.The CDC also states, however, that as much as 35 percent of the total calories for the day may derive from protein sources.A 2,000 calorie diet, for instance, would equate to 175 grams of protein each day, or approximately 60 grams of protein at each meal. 2,000 calorie diet, for instance, would equate to 175 grams of protein each day, or approximately 60 grams of protein at each meal.