If you have problems, seek the advice of a lactation consultant. Baby blues are a normal hormonal reaction. A few days after giving birth, you may feel very emotional and sad. If this continues for a long time, or you feel unable to care for your baby, ask for help and contact your doctor. You may have postpartum depression, a treatable illness.
In 1860 the dimensions agreed upon during the yearly convention were changed and the new playing rules stated that the weight of the ball should be between five and three-fourths ounces and between nine and three-fourths to ten inches in circumference.. 7.9 - 8.1 cm. Heitz, Thomas R. Baseball.
A tennis ball weighs 57 grams. An arm weighs about 2000 grams (4.4 pounds). The average of these two weights is 2057/2 = 1028 grams, which is way too heavy for a racquet. The geometric mean gives a more sensible answer for racquet weight. Multiply the numbers together and you get 57 Ã 2000 = 114,000 square grams. Now take the square root of 114,000 which is 337.6 grams. That is the geometric mean, and it may be the ideal weight in terms of racquet power (assuming your arm weighs 2000 grams). A 337.6-gram racquet is 5.92 times heavier than a 57-gram tennis ball, and a 2000-gram arm is 5.92 times heavier than a 337.6-gram racquet. Example 2: A Baseball Bat.