PLS HELP ME I BEG What is the wave velocity if the wavelength is 200 cm and the frequency is 4 Hz?
A. 0.05 cm per second
B. 800 cm per second
C. 50 cm per second
D. 204 cm per second

Read this excerpt from "we shall overcome." hundreds of thousands of people sang them. but sometimes, it was one lone person with a guitar. they sang in segregated bus stations, picket lines, freedom marches, concert stadiums, city squares, and videos. when injustice of oppression threatens, people sing protest songs to proclaim their resistance, publicize their cause, and encourage hope for a better future, based on this excerpt as an introductory paragraph, which of the following would you expect to read about in the article? different groups of people who were oppressed the ways that music brings diverse groups of people together similarities between historical movements that provided rights for groups of people different song styles throughout specific historical events

Which most closely describes the author's use of historical information for the novel white fang? consider both texts provided. the author included details and descriptions of the dogs that match the historical details provided. b) the author changed the historical facts about early sled dogs to fit the needs of his plot and setting. c) the author changed the description and age of the dogs, which was necessary for his main character to develop bonds with the dogs. d) the author included historically accurate details of the dogs' working conditions, but the dogs he describes in his story are alaskan huskies.

Read the following scene from trifles. sheriff (chuckling). married to the law. (moves toward the other room.) i just want you to come in here a minute, george. we ought to take a look at these windows. county attorney (scoffingly). oh, windows! sheriff. we’ll be right out, mr. hale. (hale goes outside. the sheriff follows the county attorney into the other room. then mrs. hale rises, hands tight together, looking intensely at mrs. peters, whose eyes take a slow turn, finally meeting mrs. hale’s. a moment mrs. hale holds her, then her own eyes point the way to where the box is concealed. suddenly mrs. peters throws back quilt pieces and tries to put the box in the bag she is wearing. it is too big. she opens box, starts to take the bird out, cannot touch it, goes to pieces, stands there . sound of a knob turning in the other room. mrs. hale snatches the box and puts it in the pocket of her big coat. enter county attorney and sheriff.) county attorney (facetiously). well, henry, at least we found out that she was not going to quilt it. she was going to—what is it you call it, ladies! mrs. hale (her hand against her pocket). we call it—knot it, mr. henderson. what changes might a director or screenwriter make to the original version of this scene in order to best emphasize the mood? cut dialogue from the scene to make it a more appropriate length update the setting to appeal to a more modern-day audience omit the actions of the characters to avoid confusion and chaos include the use of lighting, camera angles, and sound effects