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
yan [13]
2 years ago
10

What is the period of a wave traveling with a speed of 20 m/s and the wavelength is 4.0 m?​

Physics
2 answers:
ExtremeBDS [4]2 years ago
6 0

Explanation:

speed= frequency * wavelength

20=x*4

frequency=20/4

=5Hz

period=1/frequency

1/5

=0.2

kvasek [131]2 years ago
5 0

Answer:

0.2s

Explanation:

wave formula

v=(lambda)f

20=(4)f

20÷4

=5Hz

1÷5

T=0.2s

You might be interested in
Which statement BEST describes the benefits of muscular fitness training?
Hoochie [10]
I think it is A <span>High levels of muscular fitness can improve your self-image and improve or prevent chronic diseases such as diabetes, osteoporosis, and cardiovascular disease.</span>
6 0
4 years ago
An electric heater is rated at 1400 W, a toaster is rated at 1150 W, and an electric grill is rated at 1560 W. The three applian
gayaneshka [121]

Answer:

The current in the heater is 12.5 A

Explanation:

It is given that,

Power of electric heater, P₁ = 1400 W

Power of toaster, P₂ = 1150 W

Power of electric grill, P₃ = 1560 W

All three appliances are connected in parallel across a 112 V emf source. We need to find the current in the heater. We know that in parallel combination of resistors the current flowing in every branch of resistor divides while the voltage is same.

Electric power, P_1=V\times I_1

I_1=\dfrac{P_1}{V}

I_1=\dfrac{1400\ W}{112\ V}

I_1=12.5\ A

So, the current in the heater is 12.5 A. Hence, this is the required solution.  

8 0
4 years ago
In what way does the sun's rays of light hit the earth?<br><br> PLease anSWER
Dafna11 [192]

Answer:

The Sun's energy gets to the Earth through radiation, which you can prove just by standing outside and letting the sun's rays warm your face on a sunny day. Every object around you is continually radiating unless its temperature is at absolute zero, at which point its molecules completely stop moving.

Hope that helps :)

3 0
3 years ago
Read 2 more answers
An artificial satellite circles Earth in a circular orbit at a location where the acceleration due to gravity is 9.00 m/s2. Dete
Ksju [112]
 <span>g = GMe/Re^2, where Re = Radius of earth (6360km), G = 6.67x10^-11 Nm^2/kg^2, and Me = Mass of earth. On the earth's surface, g = 9.81 m/s^2, so the radius of your orbit is:


R = Re * sqrt (9.81 m/s^2 / 9.00 m/s^2) = 6640km 

here, the speed of the satellite is:

v = sqrt(R*9.00m/s^2) = 7730 m/s 

  the time it would take the satellite to complete one full rotation is:

T = 2*pi*R/v = 5397 s * 1h/3600s = 1.50 h 

Hope it help i know it's long and may be confusing but if you have any more questions regarding this topic just hmu!  :)</span>
6 0
3 years ago
Cuales son la energias
strojnjashka [21]

Answer:

I know the answer but cannot concert it to Spanish sorry

Explanation:

In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object. Energy is a conserved quantity; the law of conservation of energy states that energy can be converted in form, but not created or destroyed.

6 0
3 years ago
Read 2 more answers
Other questions:
  • How does kinetic energy affect the stopping distance of a small vehicle compared to a large vehicle?
    12·1 answer
  • Average human body temperature is 98.6F. What is the equivalent in degrees Celsius?
    13·1 answer
  • A bike rider rides at an average of 12 m/s for 30 minutes. How many km can the rider travel in that time? Show your work.
    9·1 answer
  • In a two-slit experiment, the slit separation is 3.34 ⋅ 10 − 5 m. The interference pattern is created on a screen that is 3.30 m
    7·1 answer
  • Joe and Max shake hands and say goodbye. Joe walks east 0.35 km to a coffee shop, and Max flags a cab and rides north 3.70 km to
    13·2 answers
  • Which part of the eye holds eye color?
    9·1 answer
  • What are the three controls on an automobile that cause it to accelerate?
    5·1 answer
  • In a closed system, change in internal energy is 10 J and heat transferred to it is 10 J what is the work done by the system
    8·1 answer
  • Why are drills performed in drum beats ​
    12·2 answers
  • Explain how do single fixed and single movable Pulley make our work easier ​
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!