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

If the given figure is rotated 180° around the origin, what are the new coordinates of point Z?please I really need help with this.

The side lengths of a rectangle are all multiplied by 5. What happens to its perimeter?

A card is drawn at random from a well-shuffled deck of 52 cards. what is the probability of drawing a face card or a spade?

Which are correct representations of the inequality –3(2x – 5) < 5(2 – x)? Select two options. x < 5 –6x – 5 < 10 – x –6x + 15 < 10 – 5x A number li

[tex]10 \times 10 + 8 - 6 + 5 = [/tex][tex]6 - 5 \div 6 + 9 = [/tex][tex]4 + 4 - 4 + 4 + 5 = [/tex]

The diagram shows Maha's garden.AB = 15.3 m.BC= 13.6m.AD = 24.0m.Find the perimeter of the garden.

The cost of 3 DVDs and 4 CDs is £62.00. The cost of 4 DVDs and 3 CDs is £64.00. Find the cost of each.

Muscle Name Adjacent Bones Adjacent Muscles Deltoid Biceps brachii Triceps brachii External oblique Gastrocnemius Quadriceps femoris

What is the common uses for Seaborgium ????

07. 1Explain why the light refracts as it passes from air into glass. GCSE PHYSICS HIGHER