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
Dmitriy789 [7]
4 years ago
15

Feest. Fysics and motion

Physics
1 answer:
Phoenix [80]4 years ago
4 0

Velocity depends on the straight-line distance between your start-point and your end-point, regardless of what route you follow to get there.

If you stop at the same point where you started, then that distance is zero, no matter how far you drove before you returned to your start-point.

So the average velocity around any "CLOSED" path is <em>zero. (A)</em>

You might be interested in
what is the resistance of a clock if it has a current of 0.30 a and runs on a 9.0-v battery? 0.033 2.7 9.3 30
Nataliya [291]
R = V/I =  9 / 0.3

R = 30 ohms.
5 0
3 years ago
Read 2 more answers
In the real world, the pendulum in a clock eventually comes to a stop. Someone or something needs to supply energy for the clock
Leno4ka [110]

Answer:

USING LAW OF CONSERVATION OF ENERGY

Explanation:

As we know that energy can not be created nor be destroyed.The pendulum cannot continue moving on its own because it meets energy losses due to friction.Its energy is converted into heat energy which dissipates in the air

8 0
2 years ago
Match the words in the left-hand column to the appropriate blank in the sentences in the right-hand column. use each word only o
sp2606 [1]
<span>1. About a trillion comets are thought to be located far, far beyond pluto in the Oort cloud. Oort cloud is theoretical cloud of predominantly icy planetesimals and. Many scientists have a belief that it surrounds the Sun at the distance of approximately between 50,000 and 200,000 AU. Such forces as  passing stars and of the Milky Way usually easily affect the outer Oort cloud and dislodge comets right from their orbits through the Oort the cloud and then they send them to the the inner Solar System.
2. The bright spherical part of a comet observed when it is close to the sun is the coma. When coma is viewed by a telescope it looks quite fuzzy and, unlike the stars, it does not have legible form. Such a phenomenon as the coma is created when a comet comes too close to the sun, then a comet warms and sublimes its parts. These parts are placed  around  the nucleus of a comet forming sort of envelope.
3. A comet's plasma tail stretches directly away from the sun. Both coma and comet's tail are visible parts of a comet, and when the comet passes through the inner Solar System we it becomes visible right from Earth. Usually comets have two tails :the blue plasma tail and the red dust tail. The plasma tail is formed by an interaction between the solar wind and the cometary plasma. And the dust tail is caused due to the activity of solar radiation pressure directed to the cometary dust.
</span>

4. A comet's nucleus is the frozen portion of a comet. The conet nucleus is  the solid center of the head of a comet that is also called ''dirty snowball'' or an ''icy dirtball'' among astronomists. It consists of rock, dust, and frozen gases and when they are heated by the Sun they form a coma (which is an atmosphere that surrounds nucleus) by sublimating of the gases.


5. Particles ejected from a comet can cause a meteor shower on Earth. A meteor shower is a celestial phenomenon during which we can see how meteors radiate. The meteors which we can observe are formed by meteoroids that enter Earth's atmosphere at extremely high speeds and they usually move in parallel directions. Some of the meteors are too small and often don't even reach the surface of Earth as they disintegrate during the entering process.

6. The Kuiper Belt extends from about beyond the orbit of neptune to about twice the distance of neptune from the sun.  It is the circumstellar disc that uccurs in the Solar System beyond the already known planets. Its formreminds of asteroid belt, but it is far larger, to be more exact in 20 times. I

5 0
3 years ago
A blue and a green billiard ball, each with a mass of 0.15 kg, collide directly. Before the collision, the blue ball had a speed
cestrela7 [59]

Answer:

.

Explanation:

Can you specify what is the question asking for

4 0
2 years ago
When a fixed amount of ideal gas goes through thermal expansion what happens to internal energy
Keith_Richards [23]

Answer:

A) its internal (thermal) energy does not change.

Explanation:

When a fixed amount of ideal gas goes through an isothermal expansion

3 0
3 years ago
Other questions:
  • Which statements correctly describe the effect of distance in determining the gravitational force and the electrical force? Chec
    7·3 answers
  • What does the heliocentric view of a solar system imply
    15·2 answers
  • What is the molar mass, in grams, of a mole of an element equal to?
    7·2 answers
  • Give three examples from your life of magnetic force.
    12·2 answers
  • you walk into your room and and turn on the light however the light doesn’t turn on use 4 step problem
    11·1 answer
  • Atoms with an atomic mass greater than___ May undergo fission
    6·2 answers
  • What factors affect work done? Explain
    14·1 answer
  • How much power does it take to lift a 50 N object 10 m high in 20 seconds? |<br> and the units.
    10·1 answer
  • A book is sitting on the dashboard of a car that is stopped at a traffic light as the car starts to move forward the book slides
    15·1 answer
  • How much would could a woodchuck chuck if a woodchucker could chuck wood?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!