Answer:3.91
Explanation:
What, exactly, is moving across the medium?
Answer:
So waves are everywhere. But what makes a wave a wave? What characteristics, properties, or behaviors are shared by the phenomena that we typically characterize as being a wave? How can waves be described in a manner that allows us to understand their basic nature and qualities?
A wave can be described as a disturbance that travels through a medium from one location to another location. Consider a slinky wave as an example of a wave. When the slinky is stretched from end to end and is held at rest, it assumes a natural position known as the equilibrium or rest position. The coils of the slinky naturally assume this position, spaced equally far apart. To introduce a wave into the slinky, the first particle is displaced or moved from its equilibrium or rest position. The particle might be moved upwards or downwards, forwards or backwards; but once moved, it is returned to its original equilibrium or rest position. The act of moving the first coil of the slinky in a given direction and then returning it to its equilibrium position creates a disturbance in the slinky. We can then observe this disturbance moving through the slinky from one end to the other. If the first coil of the slinky is given a single back-and-forth vibration, then we call the observed motion of the disturbance through the slinky a slinky pulse. A pulse is a single disturbance moving through a medium from one location to another location. However, if the first coil of the slinky is continuously and periodically vibrated in a back-and-forth manner, we would observe a repeating disturbance moving within the slinky that endures over some prolonged period of time. The repeating and periodic disturbance that moves through a medium from one location to another is referred to as a wave.
Hope That Helps!!
Explanation:
What is the form of energy that our eyes can detect?
A. Sound Energy
B. Chemical Energy
C. Light Energy
D. Thermal Energy
Answer: C. Light energy.
Explanation:
While spending the weekend in your cabin, you burn wood in your pot-bellied stove to heat a kettle of water for tea.
Answer the following questions for 2 points each:
1. What type of energy does the wood have in this situation. Explain your answer.
2. What type of energy is this transformed into as the wood it burned in the stove. Explain your answer.
3. What type of heat transfer is being used to warm the kettle of water? Why does the water eventually boil?
Answer: 1 = Heat
2=gas
3=it gets hot enough to boil because the metal conducts the heat into the water to heat it up and eventually boil.
Explanation: its common sense
PLEASE HELP MEEEEEE
Some physical evidence was obtained from a crime scene. For which of these pieces of evidence will forensic scientists conduct an identification test?
A.
a hair strand
B.
a black powder
C.
a glove
D.
bloodstains
Answer:
The correct option is D. bloodstains
How does Health & Physical Education relate to any other subject you now study in
school?
Answer:
Health relates to science because
in science you study, research, and knowledge in this case, health science, which helps you under stand more about how humans and animals function. And Physical education relates to science because , you study the way of human movement, think of push-ups as a example.
I hope I helped U ´꓃ ` U
what do electrons move from
Answer:
Negatively charged, to positively charged parts
Explanation:
Electrons are negative, negative is attracted to positive.
Students in a science class were provided with this image and asked to identify which color of light would refract the most if white light was passed through a prism?which student below identified the correct color of light with the proper justification?
The identification of the correct color of the light with the proper justification would be by student 4: violet, because it has the highest frequency, therefore the correct answer is option D.
What is Wavelength?It can be understood in terms of the distance between any two similar successive points across any wave for example wavelength can be calculated by measuring the distance between any two successive crests.
As given in the problem, students in a science class were provided with this image and asked to identify which color of light would refract the most if white light was passed through a prism.
Student 4 would correctly identify and justify violet as the appropriate hue of the light since it has the greatest frequency, making option D the right response.
To learn more about wavelength from here, refer to the link;
brainly.com/question/7143261
#SPJ2
Plz help !!!!!! ................................
Answer:
I think the answer is B. Can I have brainlest if I am right, please?
Explanation:
Answer:
it is B because period =1/ frequency and B has lower period
A force of 30 Newtons is used to push a basket along the floor a total distance of 3 meters. How much work is done on the basket?
Answer:
the total work done is 90J
Explanation:
the reason why is because you are the force (30 newtons) and the metere (3) so you will be multiplying those two numbers together.
W= FD 30(3)= 90J
A machine has mechanical advantage 2,what does it mean?
Answer:
The mechanical advantage of a machine is 2. Mechanical advantage MA is the ratio of output (generated by the machine) force to input (applied to the machine) force. So MA = 2 means that for example if you apply 100 N then your machine will multiply that force and generate 200 N .
HELPP!! Does anybody have the answer key to Lab Report: Conservation of Linear Momentum for my online class for physics?? WILL GIVE 80points
Answer:
Try copy and pasting the intructions it into google, and it should pop up if it exists.
Hope this helps.
Explanation:
Answer:
Send me the download of the lab and I will complete it for you
What is the difference between physical & chemical changes?
Slate whether each is an example of a Physleat (P) or Chemteal (C) property
1. Arock's density
2. boiling point of Gatorade
3. ability of an old car to rust
4. red color of a pe apple
S ability of wood to ignite
8. bitler taste of a lemon
7. melting point of wax
8. hardness of marble
9. Luster (shininess) of gold
boiling point Gatoride
A subway car moves at a constant speed of 10 m/s over a period of 10 s. What is the instantaneous speed halfway through this motion
Answer: 10 m/s
We're told the speed is constant, so it's not changing throughout the time period given to us. So throughout the entire interval, the speed is 10 m/s.
(03.07 MC)
A 660 kg car is travelling around a circular track of radius 55.0 m at 11.5 m/s.
Calculate the force and its direction that provides the centripetal force acting on the car to keep it
in the circular path. (3 points)
a) 24 N toward the center of the circle
b) 24 N along the line tangent to the circle
c) 1.587 E3 N along the line tangent to the circle
d) 1.587 E3 N toward the center of the circle
Answer: D) 1.587 E3 N toward the center of the circle
This is the same as saying 1.587*10^3 newtons, or we can say 1587 newtons
=================================================
Work Shown:
m = mass = 660 kilograms
v = velocity = 11.5 meters per second
r = radius of circle = 55.0 meters
-------------
F = centripetal force = inward pulling force toward center of circle
F = (m*v^2)/r
F = (660*11.5^2)/55
F = 1587
F = 1.587 * 10^3
F = 1.587 E 3
The "E 3" notation is what many calculators display scientific notation to be
The units for the force here are in newtons.
The force is pulling on the object toward the center of the circle, which helps keep the car on the circular path, rather than it going off on a tangent.
How much time is required for a 20 Coulombs charge to flow through a point if the current is 2 amperes? help plzzzzz
The time required for a 20 coulombs charge to flow through a point if the current is 2 amperes will be 10 seconds.
What is electric current?Electric current is defined as the ratio of the charge flow in a given time interval. It is denoted by I. It has the unit is ampere.
The given data in the problem is;
t is the time is required
q is the charge = 20 Coulombs
I is the current is= 2 amperes
The formulas for the elctric current are given as;
[tex]\rm I = \frac{q}{t} \\\\\ \rm t = \frac{q}{I} \\\\ \rm t = \frac{20}{2} \\\\ t=10 \ sec[/tex]
Hence the time required for a 20 coulombs charge to flow through a point if the current is 2 amperes will be 10 seconds.
To learn more about the electric current refer to the link;
https://brainly.com/question/2264542
The time required for a 20 coulombs charge to flow through a point if the current is 2 amperes will be 10 seconds.
What is electric current?Electric current is defined as the ratio of the charge flow in a given time interval. It is denoted by I. It has the unit is ampere.
The given data in the problem is;
t is the time is required
q is the charge = 20 Coulombs
I is the current is= 2 amperes
The formulas for the electric current are given as;
[tex]I=\dfrac{q}{t}[/tex]
[tex]t=\dfrac{q}{I}[/tex]
[tex]t=\dfrac{20}{2}[/tex]
[tex]t=10 sec[/tex]
Hence the time required for a 20 coulombs charge to flow through a point if the current is 2 amperes will be 10 seconds.
To learn more about the electric current refer to the link;
brainly.com/question/2264542
Finding the area of a trapezoid on a velocity versus time graph will tell you
the ——————
of an object.
A. displacement
B. acceleration
C. velocity
D. distance