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
Tomtit [17]
2 years ago
11

An unstretched spring has a length of 0.30 m. When the spring is stretched to a total length of 0.60 m, it supports traveling wa

ves moving at 4.5 m/s. How fast will waves travel on this spring if it is stretched to 0.90 m?

Physics
1 answer:
IceJOKER [234]2 years ago
7 0

Explanation:

Below is an attachment containing the solution

You might be interested in
Electromagnetic waves with wavelength between about 1 cm and 20 cm are called??
kodGreya [7K]
I believe the answer is Microwaves (just to clarify, not the oven). They're widely used for communications.<span />
8 0
2 years ago
Why is Pluto now called a dwarf planet
zvonat [6]
Before Pluto was discovered, it was predicted. Astronomers had observed that massive objects can affect the orbits of its neighbors, and, after seeing deviations in the orbits of Uranus and Neptune, assumed something substantial existed beyond their orbits.
When Pluto was spotted, it was thought to be the predicted object and was identified as a ninth planet.
A few decades later, astronomers started discovering more and more objects around other stars and didn’t know whether to call them planets or not. There appeared to be a need to define what a planet means, and that led to what some people consider Pluto’s demotion to a dwarf planet.
The International Astronomical Union decided that full-sized planets must orbit the sun, have a round shape, and have cleared their orbits of other objects. Pluto fulfills the first two criteria, but not the third.
It still goes around the sun, it’s round enough, it’s got moons, and behaves like a planet, but the idea is that Pluto did not form the same way as the rest of the planets. Pluto’s orbit is both eccentric and inclined more than the rest of the planets by about 17 degrees. That’s suggests something is different about this object.
This debate about whether to call it a planet or not is silly, because it doesn’t matter to Pluto what you call it. It is an interesting object, goes around the sun, and shows geology and an atmosphere.
There’s a tendency to define objects based on what they are now, but nothing is constant in the universe. There are some issues with the nomenclature, and a definition today may not apply to the same object tomorrow.
7 0
3 years ago
Read 2 more answers
While walking past a construction site, a person notices a pipe sticking out of a second floor window with water pouring out. As
tia_tia [17]

Answer:

Its diameter increases as it flows down from the pipe. Assuming laminar flow for the water, then Bernoulli's equation can be applied.

P1-P2 + (rho)g(h1 - h2) + 1/2(rho)(v1² - v2²) = 0

Explanation:

P1 = P2 = atmospheric pressure so, P1 - P2 = 0

h1 is greater than h2 so h1-h2 is positive. Rearranging the equation above 2{ (rho)g(h1-h2) + 1/2(rho)v1²}/rho = v2²

From the continuity equation for fluids

A1v1 = A2v2

v2 = A1v1/A2

Substituting into the equation above

(A1v1/A2)² = 2{ (rho)g(h1-h2) + 1/2(rho)v1²}/rho

Making A2² the subject of the formula,

A2² = (A1v1)²× rho/(2{ (rho)g(h1-h2) + 1/2(rho)v1²}

The denominator will be greater than the numerator and as a result the diameter of the flowing stream decreases.

Thank you for reading.

4 0
2 years ago
Please select the word from the list that best fits the definition
alexdok [17]

Answer:

yuuuhhhhhhh

Explanation:

it maxed Imao

4 0
2 years ago
Read 2 more answers
A current of 12 A flows for 20 minutes into an electric cooker. How much charge has the cooker used?
cluponka [151]
Time= 20 minutes= 20*60=1200 s
Charge=current*time=12*1200=14400 C
7 0
2 years ago
Other questions:
  • A 100 watt incandescent light bulb is operated for 7 hours, and a 32 watt fluorescent light bulb is operated for the same period
    10·1 answer
  • Explain how motion and energy are related to roller coasters, please be specific!
    12·1 answer
  • One sees an emission spectrum from a neon sign <br> True<br><br> False<br> 50 points
    6·1 answer
  • How fast must a bug swim to keep up with the waves it produces? How fast must it move to produce a bow wave?
    8·1 answer
  • Another name for light is ____ ____.
    11·2 answers
  • Which refers to the chemical name of CO? carbon monoxide carbon oxide monocarbon monoxide monoxide carbon
    8·2 answers
  • Help me plsssssssss!!]
    11·1 answer
  • Discuss the pros and cons of one of the examples of variations in family life – cohabitation, single-parent households, same-sex
    8·1 answer
  • Una bola de ping pong de 10 g. de masa rueda a 10 m/s hacia una bola de pool de 250 g de masa, inicialmente quieta. Luego del ch
    5·1 answer
  • A motorcycle has a constant acceleration of 2.5 meters per second squared
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!