Two point charges are separated by 25.0 cm (fig. e21.43). find the net electric field these charges produce at (a) point a and (b) point b. (c) what would be the magnitude and direction of the electric force this combination of charges would produce on a proton at a?

In these frames, the author emphasize the challenges lqbal faced by showing

One of the author's purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with enormous speed mark this and return save and exit next submit

Read the lines from "there was a child went forth" and answer the question. and the apple-trees cover'd with blossoms, and the fruit afterward, and wood-berries, and the commonest weeds by the road; and the old drunkard staggering home from the out-house of the tavern, whence he had lately risen, and the school-mistress that pass'd on her way to the school, and the friendly boys that pass'd—and the quarrelsome boys, and the tidy and fresh-cheek'd girls—and the barefoot negro boy and girl, and all the changes of city and country, wherever he went. which poetic device is exemplified in this stanza? select all that apply. allegory anaphora imagery metaphor