KArbvikaa8y KArbvikaa8y

13-11-2016
Physics

contestada

How can a megaphone used by a cheerleader allow people on the opposite side of a field to hear her better?

Respuesta :

yolandaam yolandaam

13-11-2016

The megaphone is cupping the area around her mouth and it is like with your hands, if you cover around them the noise will be louder. It is because it is hollow and there isn't anything to block the noise through the megaphone.

Answer Link

Otras preguntas

Which statement best sums up the speakers feelings?

WHAT LITERARY GENRES DID ANCIENT GREEK WRITERS EXPLORE

Which statement best sums up the speakers feelings?

Two objects are moving along separate linear paths where each path is described by position, d, and time, t. The variable d is measured in meters, and the varia

which of the reasons listed is not why the European powers slowly gave up their colonies after World War II

HELP PLEASE!!! Why is Caesar considered a round character in The Tragedy of Julius Caesar? A.Caesar is one dimensional: everyone adores him. His story line is e

In one to three complete sentences, summarize what happens with teams in the Distancing phase.

The health department estimates that eight vials of malaria Serum will treat 100 people. at this rate, how many vials are required to treat 175 people

Mark thinks the government should determine how, when, and for whom goods should be produced. His ideas are based on which of these economists

The following sentence uses which principal part of the verb? Out the window, they saw two deer in a field. present participle past present past participle