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
Anastasy [175]
3 years ago
9

When I wave a charged golf tube at the front of the classroom with a frequency of two oscillations per second, I produce an elec

tromagnetic wave of frequency 2Hz. What is the wavelength of this wave? (a) 6.7 × 10−9m (b) 1.5 × 108m (c) 3.0 × 108m (d) 6.0 × 108m
Physics
1 answer:
solmaris [256]3 years ago
3 0

To solve this problem it is necessary to apply the concepts related to Wavelength depending on the frequency and speed of light.

The equation that meets these parameters is given by

\lambda = \frac{c}{f}

Where,

c = Speed of light

\lambda = Wavelength

f = Frequency

Our values are given as

c = 3*10^8m/s \rightarrow velocity of light in free space

f = 2Hz

Replacing we have that

\lambda = \frac{c}{f}\\\lambda = \frac{3*10^8}{2}\\\lambda = 1.5*10^8m

Therefore the correct answer is B.

You might be interested in
In a region of space where gravitational forces can be neglected, a sphere is accelerated by a uniform light beam of intensity 8
BlackZzzverrR [31]

Answer:

The correct answer is B

Explanation:

To calculate the acceleration we must use Newton's second law

      F = m a

      a = F / m

To calculate the force we use the defined pressure and the radiation pressure for an absorbent surface

       P = I / c        absorbent surface

       P = F / A

       F / A = I / c

       F = I A / c

The area of ​​area of ​​a circle is

      A = π r²

We replace

     F = I π r² / c

Let's calculate

     F = 8.0 10⁻³ π (1.0 10⁻⁶)²/3 10⁸

     F = 8.375 10⁻²³ N

Density is

      ρ = m / V

      m = ρ V

      m = ρ (4/3 π r³)

      m = 4500 (4/3 π (1 10⁻⁶)³)

      m = 1,885 10⁻¹⁴ kg

Let's calculate the acceleration

     a = 8.375 10⁻²³ / 1.885 10⁻¹⁴

     a = 4.44 10⁻⁹ m/s²               absorbent surface

The correct answer is B

4 0
3 years ago
Which of the following best describes the location of the
marshall27 [118]

Answer:

The mantle exists above the crust of the earth

8 0
2 years ago
The age of the universe is thought to be about 14 billion years. Assuming two significant figures, write this is powers of ten i
DerKrebs [107]
1.4 times 10 in power of 10
8 0
3 years ago
It is known that a shark can travel at a speed of 17 m/s. How far can a shark go in 8 seconds? (please show steps to how you got
Alex777 [14]

Answer:

136 meters.

Explanation: If it can go 17 meters a second, then after 8 seconds, it will go 136 meters. Multiple 17 by 8 to get your answer.

4 0
3 years ago
Which of the following is the tendency of an object to maintain its state of
densk [106]

Answer:

O inertia

Explanation:

The tendency of a body to maintain its state of motion is inertia.

Inertia is the tendency of a body to remain at rest or in constant motion.

  • According to newtons first law of motion "a body will remain in its state of rest or constant motion unless acted upon by an external force".
  • The tendency of the body to remain in a state of rest or of constant motion is the inertia.
  • Such a body will not want to accelerate or change motion.
7 0
3 years ago
Other questions:
  • A volleyball is hit and experiences a net
    15·1 answer
  • A force sets an object in motion when the force is multiplied
    15·1 answer
  • Express the distance between the moon and earth in meters with a meter prefix (km).
    8·2 answers
  • If you graph the average velocity (y-axis) vs. the elapsed time (x-axis), what
    7·1 answer
  • What is the dependent variable in an experiment testing the effects of pH on growth of a seed?
    11·1 answer
  • Find the moment of force of 60 Newton about an axis of rotation at distance 20 cm from the force​
    7·1 answer
  • Write a sentence on how these words are used in real life situations
    12·1 answer
  • A 15.0 cm object is 12.0 cm from a convex mirror that has a focal length of -6.0 cm. What is the height of the image produced by
    9·2 answers
  • Different between AM and FM
    12·2 answers
  • How are mass, distance and gpe related
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!