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
Romashka-Z-Leto [24]
3 years ago
12

a water wav e has frequency of 2hz and there are 3 meters between each crest on the wave. how fast is the wave moving

Physics
1 answer:
Dafna11 [192]3 years ago
6 0

Answer:

6 m/s

Explanation:

The velocity of waves, v is a product of frequency and wavelength expressed as v=fw where v is the velocity, f is frequency and w is wavelength.

Wavelength is defined as distance between two successive crests or troughs. In this case, the wavelength is 3m

Substituting 2 Hz for frequency and 3 m for wavelength then the speed of waves will be v=2*3=6 m/s

You might be interested in
What properties of a sound wave determine volume, pitch, and timbre?
fiasKO [112]
Sound waves are changes in pressure generated by vibrating molecules. The physical characteristics of sound waves influence the three psychological features of sound: loudness, pitch, and timbre. Loudness depends on the amplitude,or height, of sound waves. The greater the amplitude, the louder the sound perceived.
8 0
3 years ago
Read 2 more answers
A light horizontal spring has a spring constant of 138 N/m. A 3.35 kg block is pressed against one end of the spring, compressin
BARSIC [14]

Answer:

U_k = 0.113

Explanation:

using the law of the conservation of energy:

E_i -E_f=W_f

\frac{1}{2}Kx^2=NU_kd

where K is the spring constant, x is the spring compression, N is the normal force of the block, U_k is the coefficiet of kinetic friction and d is the distance.

Also, by laws of newton, N is calculated by:

N = mg

N = 3.35 kg * 9.81 m/s

N = 32.8635

So, Replacing values on the first equation, we get:

\frac{1}{2}(138)(0.123)^2= (32.8635)U_k(0.281m)

solving for U_k:

U_k = 0.113

8 0
3 years ago
What are alkaline earth metals used for?
Tomtit [17]

Answer:

C firework

Explanation:

from Quizlet

6 0
3 years ago
Read 2 more answers
A 30 kg child went down a 10 m tall slide. Assuming no energy was lost as friction, what was the child's velocity when he reache
AveGali [126]
14 m/s or 50km/h. See the details in the attached picture.

5 0
3 years ago
When a wire within a closed circuit is coiled upon a nail, the nail will _______.
Natali5045456 [20]

when wire is coiled upon a nail then it will posses magnetic characteristics

This is due to the coiled shape it will behave like a solenoid and the magnetic field of solenoid is given as

B = \mu_o ni

so here when wire is coiled up on a nail then due to the magnetic field of the coil the nail will attain magnetic characteristic.

so correct answer will be

<em>Possess magnetic properties </em>

5 0
3 years ago
Read 2 more answers
Other questions:
  •  Our attitudes influence
    8·1 answer
  • What is a risk assessment
    6·2 answers
  • According to the Big Bang theory, after the "Bang", the universe remained dark until about ___ later, when neutral atoms began f
    12·2 answers
  • 50 J of work was performed in 20 seconds. How much power was used to do this task?
    9·2 answers
  • The amount of water displaced, in water displacement method depends on the *
    6·1 answer
  • Choose the CORRECT statements. The superposition of two waves.
    10·1 answer
  • Which element is represented by the atomic model below?
    10·1 answer
  • The pressure on 200 mL of a gas is reduced from 80 kPa to 40 kPa. The final volume is Page
    5·1 answer
  • Abishek is a runner. He runs the 100 m sprint
    5·2 answers
  • Using the thermodynamic information in the aleks data tab, calculate the standard reaction free energy of the following chemical
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!