How fast is earth rotation?

How fast is earth rotation?

The circumference of the Earth at the equator is 25,000 miles. The Earth rotates in about 24 hours. Therefore, if you were to hang above the surface of the Earth at the equator without moving, you would see 25,000 miles pass by in 24 hours, at a speed of 25000/24 or just over 1000 miles per hour.

Who was the first president to receive a patent?

But Abraham Lincoln was the only president to receive a patent himself. Congressman Lincoln received Patent #6469 for “A Device for Buoying Vessels Over Shoals” on May 22, 1849.

What team did Michael Jordan play for in college?

After a three-season career at the University of North Carolina at Chapel Hill, where he was a member of the Tar Heels’ national championship team in 1982, Jordan joined the NBA’s Chicago Bulls in 1984.

Who owned the Arlington National Cemetery?

George Washington Parke Custis, grandson of Martha Washington, acquired the land that now is Arlington National Cemetery in 1802, and began construction of Arlington House. The estate passed to Custis’ daughter, Mary Anna, who had married United States Army officer Robert E. Lee.

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Platelets are cells that clump together and help to form blood clots. Aspirin keeps platelets from clumping together, thus helping to prevent or reduce blood clots. During a heart attack. Blood clots form in an already-narrowed artery and block the flow of oxygen-rich blood to the heart muscle.

How many times a day do people lie?

The hard-to-believe figure, which of course includes the many innocent “white lies” we hear each day, was given further credence in a 2002 study by Robert Feldman of the University of Massachusetts, who found that on average, people told two to three lies in a ten-minute conversation.

What are bones made up of?

Bone is made mostly of collagen, a protein that is woven into a flexible framework. Bone also contains calcium phosphate and calcium carbonate, minerals that add strength and harden the framework. The combination of calcium and collagen gives the bone its strength and flexibility.

How old is the oldest tree?

The world’s 10 oldest living trees. At 4,841 years old, this ancient bristlecone pine is the oldest known non-clonal organism on Earth. Located in the White Mountains of California, in Inyo National Forest, Methuselah’s exact location is kept a close secret in order to protect it from the public.