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

Aluminum bromide can be prepared by reacting small pieces of aluminum foil with liquid bromine at room temperature. The balanced chemical reaction is:2Al(s) +

16 more than 4 times a number is equal to the difference between -61 and 3 times the number. Find the number

I don’t know wether it is a independent or dependent variable.

4.A gas occupies 8.7L at a temperature of 29.0°c. What is thevolume at 133°C? (Charles Law)

The slope of the line below is 2 Write the point-slope equation of the line using the coordinates of the labeled point.

What is the area of the circle if CY= 5.4 mm

which statements and reason complete steps 3 , 4 and 6 of the proof ?

If AC=13x-17, find x. Round your answer to the nearest tenth if necessary AB= 2x+4 BC= 19

What is the value of the dot shown on the number line below?If the answer is not a whole number, enter it as a fraction or mixednumber.A-32-30

Two billiard balls collide elastically ball A has a mass of 1.22 kg and an initial velocity of 0.8 M/S Ball B has a mass of 1.37 KG and an initial velocity of 0