Why is soft iron used for the core of an electromagnet?

Alex works at a legal firm which produces a lot of documents. Often Alex has to carry heavy stacks of documents from one office to another.

Drawn and labeled pH scale

Which nitrogen base sequence is the partner of C A-T-C-G N? o С-л-т-с-GA O G-T-A-G-C-T T-G-C-T-A-G O G-C-A-T-G-T

How do you find the actual diameter of a star going from arcseconds to kilometers? ex The supergiant star Betelgeuse (in the constellation Orion) has a measured angular diameter of 0.044 arcsecond.

A geologist finds a layer of rock that is coarse-grained granite. What type of rock did the geologist find? A. extrusive igneous rock B. intrusive igneous rock C. foliated metamorphic rock D. nonfoliated metamorphic rock

What is the wavelength of an earthquake wave if it has a speed of 5 km/s and a frequency of 10 Hz?

The gamma ray released by each decay carries 140kev of energy. find the total energy e released by decays in the 2 hours.

Think of the last five things you read. Now think of a type of reading you havent done recenty have never read. What kind of pattern do you see in your reading? What is your favorite type of reading and your least favorite type of reading?

Consider this statement: Air is matter. Which facts best support the statement? A. Balloons can be filled with air. B. Air is essential for life to exist. C. Air has mass. D. Air is not an element. E. To float on air is to be happy. F.

Hydroelectric power uses: wind water coal the sun