1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Nady [450]
3 years ago
7

Which of the following is/are true? Electromagnetic waves are created by accelerating charges. Electromagnetic waves are transve

rse waves. Electromagnetic waves consist of time-varying electric and magnetic fields that are mutually perpendicular. Electromagnetic waves move at the speed of light in a vacuum. All of the above are true.
Physics
1 answer:
Vikki [24]3 years ago
4 0

Answer:

All of the above are true.

Explanation:

(a). true  

whenever  charge particle  move back and froth from its mean position then it will produce oscillating electric and magnetic fields, . so an em wave can be obtain by accelerating charge

(b). true

the electric field and the magnetic field have vibrations in the perpendicular direction along  the motion of the wave  so electromagnetic wave is a transverse wave. therefore, the EM wave is a Transverse wave

(c) true .

The Electromagnetic wave consists of the two mutually perpendicular electric and magnetic fields  and also both fields are  perpendicular to the direction of propagation of the wave.

(d) true .

An electromagnetic wave  carry  energy through  vacuum with a speed   of 3 \times 10^8 m/s  

   so , all of the above are true.

You might be interested in
An electric heating element has a resistance of 16 Ω and is connected to a voltage of 120 V. How much current will flow in this
sergeinik [125]

This is weird.

All three 'choices' are true.

Line um up. (a) shows how to solve the problem. (b) does it. and (c) is the answer.

7 0
3 years ago
If carbon has an atomic number of 6, how many protons and neutrons are found in the carbon-14 atom? A.
Alex Ar [27]
The correct answer is B. 6 protons and 8 neutrons

Carbon-14 has same atomic number of 6. It has a nucleon number of 14
Atomic number = proton number = 6
Neutron number = nucleon number - atomic number = 14 - 6 = 8

Hope it helped!
5 0
3 years ago
Three-fourths of the elements on the
77julia77 [94]

Answer:

b

Explanation:

because the metalloids are the thing in the middle

8 0
2 years ago
A 50kg meteorite moving at 1000 m/s strikes Earth. Assume the velocity is along the line joining Earth's center of mass and the
zysi [14]

As per the question, the mass of meteorite [ m]= 50 kg

                       The velocity of the meteorite [v] = 1000 m/s

When the meteorite falls on the ground, it will give whole of its kinetic energy to earth.

We are asked to calculate the gain in kinetic energy of earth.

The kinetic energy of meteorite is calculated as -

                                       Kinetic\ energy\ [K.E]\ =\frac{1}{2} mv^2

                                                             =\frac{1}{2}50kg*[1000\ m/s]^2

                                                               =\frac{1}{2}50* 10^{6}\ J

                                                               =25*10^6\ J    

Here, J stands for Joule which is the S.I unit of energy.

Hence,\ the\ kinetic\ energy\ gained\ by\ earth\ is\ 25*10^6\ J

4 0
3 years ago
Read 2 more answers
Can you find the net force of one vertical force and one horizontal force, such as in the picture below? Yes or no, and why?
den301095 [7]

Answer:

jwuwhisbuebeu said that good morning and private s the

5 0
2 years ago
Read 2 more answers
Other questions:
  • Please help ASAP!! I need a good grade on this!!!!
    5·1 answer
  • A car with a mass of 600 kg is traveling at a velocity of 10 m/s. How much kinetic energy does it have?
    10·1 answer
  • Esmerelda may have a brain tumor. Her doctor will most likely use to view the tumor.
    6·2 answers
  • A security guard walks at a steady pace, traveling 190 m in one trip around the perimeter of a building. It takes him 260 s to m
    7·1 answer
  • If the acceleration of an object is zero at some instant in time, what can be said about its velocity at that time? 1. It is neg
    11·1 answer
  • Convert 15 litre into cubic metre​
    7·1 answer
  • The air going into the tyre was warmed up by the pumping. What effect will this have on the motion of Gad molecules in the air i
    10·1 answer
  • Someone pls help mee
    10·1 answer
  • How can I solve the following?
    14·1 answer
  • When particles vibrate so quickly they break free from their fixed positions, matter is:
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!