The area of a rectangular triangle is 60 square inches. Find the length of its sides if they form an arithmetic sequence.
Category Archive: Siences
Could gravitational waves or a black hole cause flooding on earth and effect time explaining how Noah and others lived for 900+ years?
How does MagLev (Spherical Tires) work? How does a driver control its directions?
like a wheel alignment we place a lump of lead to take out wobble,placing it in the wrong position cause a different wobble.they moves thousands of tonnes each year.
When a liquid with a density of d fills a bottle, the mass of the bottle becomes 410g. When the bottle is filled with another liquid whose density is 3/2d, the mass is found to be 490g. What is the mass of the empty bottle?
What is the difference between counting the atoms and counting the elements?
a science question
Yesterday around nine pm I was taking a walk in the bike path that goes through town, and on four occasions in the span of about twenty minutes, the sky lit up green. It was exactly like when lightning strikes and everything lights up and it looks like daytime for a second. Except in this …
a scientist reads relevant literature and designer her experiment. She repeats her experiment several times and collects an entire set of data everytime. As compared to a single data set, the multiple data sets lead her to modified conclusions how is skepticism important to the progress of science in this scenario? A) it helped with …