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 osprey2015
  • 02-10-2018

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

Answer Link

Otras preguntas

If mZGEF is thirteen less than five times mZDEG and mZDEF = 149°, find mZGEF. F D G
which proportion would you use to find 8% of 75? A: 8/100 = 75/n B: 8/100 = n/75 C: 75/100 = 8/n D: 75/100 = n/8
Explain the bad effect and good effect of mobile phone and internet.​
Perimeter (numerical) cm
In ΔABC, m < B = 22°, m < C = 52° and a = 30. Find the length of b to the nearest tenth.
What is the value of c
According to the synthetic division below, which of the following statements are true? Check all that apply
What argument does Amringe give to support his views?
I need help I don’t understand at all ?
The melting point of mercury is about 1/4 of the melting point of krypton. The melting point of mercury is -39c. Write and solve an equation to find the melting