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
Naddika [18.5K]
3 years ago
12

Unlike mechanical waves such as sound or earthquake waves, EM waves can travel through empty space. True or false

Physics
1 answer:
Alex777 [14]3 years ago
5 0

Answer:

its true

Explanation:

You might be interested in
Which of the following best describes pseudoscience?
levacccp [35]

Answer:

A

Explanation:

7 0
3 years ago
Read 2 more answers
A majorette in the Rose Bowl Parade tosses a baton into the air with an initial angular velocity of 2.5 rev/s. If the baton unde
oksian1 [2.3K]

Answer:

14 rev

Explanation:

w_{o} = initial angular velocity = 2.5 revs⁻¹

w = final angular velocity = 0.8 revs⁻¹

\alpha = Angular acceleration = - 0.2 revs⁻²

\theta = Angular displacement

Using the equation

w^{2} = w_{o}^{2} + 2 \alpha \theta\\0.8^{2} = 2.5^{2} + 2 (- 0.2) \theta\\ \theta = 14 rev

So the number of revolutions are 14

4 0
3 years ago
A force of 3 newtons moves a 10 kilogram mass horizontally a distance of 3 meters. The mass does not slow down or speed up as it
Mashutka [201]

Answer:

9 joules of heat energy was produced

Explanation: there is no acceleration therefore its not a kinetic energy

Energy= force × distance

= 3×3

=9

3 0
3 years ago
(a) A space vehicle is launched vertically upward from the Earth's surface with an initial speed of vi that is comparable to but
ad-work [718]

Energy Conservation Theory,

(k+v)_i=(k+v)_f \quad \text { (No air resistone)}\\

\frac{1}{2} m v_i^2-\frac{G m M_\epsilon}{R_\epsilon}=0-\frac{G m M_\epsilon}{R_\epsilon+h}

\frac{1}{2} m v_i^2-\frac{G m M_\epsilon}{R_\epsilon}=0-\frac{G m M_\epsilon}{R_\epsilon+h}

v_{e x^2}{ }^2-v_i^2=\frac{v_{e^2 R_t} R_t}{R_t t h}\\&\frac{1}{v_{B C^2-v_1^2}^2}=\frac{R_E+h}{v_{e^2 R_E} R_E}\\\\\\h=\frac{R_E V_1^2}{v_{\text {esc }}^2-v_1^{\beta^2}}

<h3>What is law of  energy conservation?</h3>

The principle of energy conservation states that energy is neither created nor destroyed.  It may change from one sort to another. Just like the mass conservation rule, the legitimacy of the preservation of energy depends on experimental perceptions; hence, it is an experimental law. The law of preservation of energy, too known as the primary law of thermodynamics

To learn more about Energy Conservation Theory, visit;

brainly.com/question/8004680

#SPJ4

7 0
2 years ago
15 PTS!!!!
Anon25 [30]
I thinks its period because they are on the last column to the right
6 0
3 years ago
Read 2 more answers
Other questions:
  • What is the wavelength of an ekectromagnetic wave that has a frequency of 40,000 hz? the speed of light is 3x10^8 m/s?
    10·1 answer
  • To form a solution_____
    6·1 answer
  • What BAC is acceptable for teen drivers?
    7·1 answer
  • Which group of stars is represented by the line image
    10·2 answers
  • What are the basic ethical guidelines for psychological research?
    12·1 answer
  • Which observation supports a model of the nature of light in which light acts as a wave?
    13·2 answers
  • What is the meaning of sound media component
    13·1 answer
  • Given a friction force of 1.10 N, how fast is a 0.510 kg book moving in 0.50 s if it starts at rest and you are applying a force
    14·1 answer
  • Help me pls, the lesson is simple machines
    13·1 answer
  • How should you plan to excercise if you want to remain healthy past the age of 65
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!