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.
That means a 160-pound adult needs about 64 grams of protein daily, and a 200-pound adult needs about 80 grams. Another way to think about protein requirements is in a percentage. The Mayo Clinic suggests getting 10 to 35 percent of your daily calories from protein.If you eat about 2,000 calories daily, that means you could consume anywhere from 50 to 175 grams of protein.f you have no idea how much protein you eat in a day, it might be useful to track your food intake over time in a food journal and look up the protein grams in each meal you eat with the aid of an online nutrition counter.