Kawat dialiri arus sebesar i dengan jari-jari masing-masing 2a dan a. berapakah besar induksi magnet pada pusat lingkaran p? dan tentukanlah arah induksi magnet pada pusat lingkaran p!

Suppose that a comet that was seen in 563 a.d. by chinese astronomers was spotted again in year 1951. assume the time between observations is the period of the comet and take its eccentricity as 0.986. what are (a) the semimajor axis of the comet's orbit and (b) its greatest distance from the sun?

Aray of light traveling parallel to the principal axis of a concave mirror will be reflected through the mirror's

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.