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
WARRIOR [948]
3 years ago
11

You notice the flagpole at school vibrating in the breeze. You count the vibrations and find that

Physics
1 answer:
Lelu [443]3 years ago
6 0

Answer: 12.5m

Explanation:

Given the following :

Flagpole makes 20 complete vibrations in 10 seconds

Velocity (V) of vibration = 25m/s

Find the wavelength of vibration (λ) =?

Frequency is number of complete oscillation per Second

Therefore ;

Frequency (F) = number of oscillations / time taken

F = 20 / 10 = 2Hz

Wavelength = Velocity / frequency

Wavelength = 25 / 2

Wavelength = 12.5m

You might be interested in
A 1.50 3 103 - kg car starts from rest and accelerates uniformly to 18.0 m/s in 12.0 s. Assume that air resistance remains const
nexus9112 [7]

Answer:

Explanation:

let force exerted by engine be F.Net force =( F-400)N, applying newton law

     F-400 = 1.5 x 10³x18 =27000 ,

F = 27400 N.

velocity after 12 s  = 0 + 18 x 12 = 216 m/s

Average velocity = (0 + 216 )/2 = 108 m/s

Average power = force x average velocity = 27400 x 108 = 29.6 10⁵ W .⁶

b) At 12 s , velocity = 216 m/s

Instantaneous power = velocity x force = 216 x 27400 = 59.2 x 10⁶ W.

8 0
3 years ago
Read 2 more answers
A boat travels north across a river at a velocity of 22 meters/second with respect to the water. The river's velocity is 2.2 met
MArishka [77]
The magnitude of the resultant is

         √ (22² + 2.2²)  =  √ (484 + 4.84)  =  √488.84  =  22.11 m/s .

The direction of the resultant is

         tan⁻¹(22N / 2.2E)  =  tan⁻¹(10)  =  5.71° east of north .
7 0
3 years ago
Evaluating alternative options and choosing one option among them is called the theory of bounded rationality.
VikaD [51]

It is false, bounded rationality is the idea that rationality is limited when individuals make decisions. ... Limitations include the difficulty of the problem requiring a decision, the cognitive capability of the mind, and the time available to make the decision.

But one thing, NEXT TIME TELL US THE QUESTION FIRST AND DON'T JUST LEAVE BLINDLY ASKING SOMETHING.

5 0
2 years ago
Helium-4 has how many protons
Natalka [10]

Answer: Helium has 2 protons.

4 0
3 years ago
Prove that the unit of area derived quantities are derived units​
frozen [14]

answer: derived physical quantities are those quantities that are obtained from the basic physical quantities by multiplication or division and area is one of them

8 0
3 years ago
Other questions:
  • The robot HooRU is lost in space, floating around aimlessly, and radiates heat into the depths of the cosmos at the rate of 13.1
    13·1 answer
  • Moving a magnet inside of a coil of wire will induce a voltage in the coil. How is the voltage in the coil increased?
    9·1 answer
  • An electric flux of 147 N*m^2/C passes through a flat horizontal surface that has an area of 0.824 m^2. The flux is due to a uni
    11·1 answer
  • Please help me with this question
    7·1 answer
  • Would the tide be higher when the moon is on the same side of earth as New Brunswick or on the opposite side why
    12·1 answer
  • Light traveling through air encounter a second medium which slows the light to 2.7 x 10^8. What is the index of the medium?
    13·1 answer
  • Determine the mass of a boat that is propelled forward by a force of 1250N at an acceleration of 3 m/s2.
    7·1 answer
  • What evidence do we have that Earth has a magnetic field surrounding the planet?
    14·2 answers
  • A space probe lands on a newly discovered planet. A small canister is released from the probe and falls a distance of 3 m in 0.5
    6·1 answer
  • I need help! Thank you.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!