yong0717 yong0717

01-10-2018
Physics

contestada

why is it that a bell in a sealed bell jar can be heard when the jar is full of air

Respuesta :

osprey2015 osprey2015

02-10-2018

sound travels through air, not through vacuum = lack of air

Answer Link

Otras preguntas

Consider the following reaction: Cr(NO3)3 (aq) + 2NaF (aq) --> 3NaNO3 (aq) + CrF3 (s) If 21.0 grams of NaF are needed to precipitate all of the Cr+3 ions p

Ý nghĩa lý luận và thực tiễn của tiểu luận

May somebody help with this and show how you solved these 4 problems??

III. Give the right form of the verbs in parentheses: simple future or simple present. 1. We’ll go out when the rain (stop)………………….. 2. I (stay)…………………… here un

Which of the following does NOT describe a possible consequence of an unhealthy diet?A. Alisha's doctor runs blood tests and finds she has high cholesterol.B.

A chemistry professor who teaches a large lecture class surveys his students who attend his class about how he can make the class more interesting, hoping he ca

Harassment becomes unlawful when it: A. Affects an individual's employment or becomes a condition of continued employment B. Unreasonably interferes with an in

find the volume of the triangular prism

Santiago receives $179 per year in simple interest from three investments. Part is invested at 2%, part at 3%, and part at 4%. There is $500 more invested

PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER!! Esmerelda is a math student who needs to gather a sample of 10 participants