|
Author Question: How to calculate the time it takes for an object to go from its maximum height it its landing position? (Read 1287 times) |
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.