qbell546 qbell546

03-02-2017
Physics

contestada

What is the key difference between mechanical and electromagnetic waves?

Respuesta :

Puddin5727 Puddin5727

20-01-2020

Answer:

Correct. Electromagnetic waves can travel in a vacuum, but mechanical waves need a medium to travel.

Explanation:

for plato, answer B

Answer Link

Otras preguntas

Select the correct answer. if people are ignored because of their inability to speak standard english, what have they encountered? a. language bias b. language

using a number line, find both the intersection and the union of following intervals: [1,5] and (0,8]

X-gal is included in the growth medium on which cells transformed with bacterial plasmids are grown. The reason x-gal is included is to _______.

Why are amphibians known as the ""planet’s greatest survivors""? How have they evolved over time?

Solve the equation in the image (yr 8 maths, 50pts)

12.2 g of N₂ gas at 1132 torr and 91°C has a volume of

The coefficient of 2(3)(6)Q is

The total mass of 2 similar clay pots and 2 similar metal pots was 13.2 kg. The mass of 1 such clay pot was 3 times the mass of a metal pot. What was the mass o

No. 1 2 3 4 5 Country China USA Area(km) Boundary (km) 9,596,960 9,147,420 241,559 8,511,965 301,230 22,800 17,563 Uganda 2,698 Brazil 16,885 Italy 1.836.4 Tabl

Total (10 marks) QUESTION TWO Amani Ltd. Manufacturers a single product. Currently, the company has eight employees who produce a total of 3,000 units of the pr