Answer:
Distance= 300 km
Displacement= 130
Explanation:
When you find distance you have to add
When you find displacemnet you subtract
If a car drives 215 kilometers west and then 85 kilometers south, then the distance and displacement of the car would be 300 kilometers and kilometers respectively.
What is displacement?Displacement is a vector quantity. This indicates that it has both a direction and a magnitude and that it is visually represented as an arrow that points from the starting position to the ending position.
As given in the problem, if a car drives 215 kilometers west and then 85 kilometers south, then we have to find the distance and displacement of the car,
The distance traveled by car = 215 kilometers + 85 kilometers
= 300 kilometers
The displacement covered by the car = √(215² + 85²)
= 231.2 Kilometers
Thus, the distance traveled by car would be 300 Kilometers and the displacement would be 231.2 Kilometers in the southwest direction.
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Calculate the velocity of a car traveling 0.75ters in 2.5 seconds using
meters/second (m/s)
Answer:
Distance covered:0.75
Time take:2.5
Velocity = distance/time
V=0.75/2.5
V= 0.3m/s
Hope this helpes
is hammering wood together a physical or a chemical
Answer:
Physical
Explanation:
The physical properties of a substance change, but the identity of the substance doesn't change
Which of the following is true statement about speed?
a) Speed has no magnitude and direction
b) Speed has magnitude but no direction
c) Speed has both magnitude and direction
D) speed has magnitude but no direction
B and D are both the same statement.
It's the correct one.
What are the values of temperature and pressure under STP, using the units of kelvin and kilopascals?
Answer: STP is 273.15 K and 0.986 92 atm.
Explanation:
STP is defined as 273.15 K and a pressure of exactly 100 kPa (1 bar).
Hope this helps! :)
Uh, Road work ahead?!?!
Answer:
what? im kinda confused....
what do you mean by road work ahead??
sometimes when a chemical change ----------- occurs of a substance will change
shape
color
size
mass
Answer:
Chemical changes occur when a substance combines with another to form
Explanation:
Chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. These processes are called chemical reactions and, in general, are not reversible except by further chemical reactions.
If you were able to cut this bar
of gold over and over until
you have the smallest particle
of gold possible, what would
that particle be?
А
a molecule of gold
B
an atom of gold
Answer:
if you cut a bar of gold over and over it would result to an atom.
because an atom is the smallest particle of an element that can exist.
I hope this helps
What conclusion does the student most likely make based on this data?
Answer:
O Tightly packed particles in solids slow down the light waves; however, sound waves make particles bounce into each other, so they travel faster in solids.
Explanation:
In the data the student collected, it showed that when the atmosphere is thicker, it slows down the light. With sound however, the sound travels better in thicker stmosphere or solid, than thin air, or steam.
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a circuit breaker is tripped when the current in the circuit is greater than 15 A. If the voltage difference is 120, what is the power being used when the circuit breaker is tripped?
Answer:
The answer would be 1800W
Explanation:
P=15a × 120 V
a car was traveling at 30.0 m/s when a small child darted onto the road 60.0 m away. Reacting instantly the driver slams the brakes. a) How much time would it take to stop if it was able to stop in exactly 60.0 m?
Please help will be marked most brainlist !!!
Which of the following is not a true statement?
Answer:
d
Explanation:
all of the rest are true
In which of the following cases of motions, the distance moved and the magnitude of the displacement are equal?
If the car is moving on a straight road
If the car is moving in circular path
The pendulum is moving to and fro
The earth is moving around the sun
Answer:
answer is number (a) If the car is moving on a straight road....
Explanation:
The distance moved and magnitude of displacement are equal only in the case of motion along a straight line. Because displacement is the shortest path between initial and find path. So, for car moving on straight road, distance moved and magnitude of displacement are equal.
What is the relationship between the variables on this graph?
The temperature does not have an effect on flow rate.
As the temperature increases, the flow rate increases.
As the temperature increases, the flow rate decreases.
Answer:
The answer is A) "As the temperature increases, the flow rate decreases."
Para estudiantes de Español:
La respuesta es A) "A medida que aumenta la temperatura, el cuadal disminuye."
Explanation:
This is correct. I took the test!
Este es correcta! Tomé la prueba!
Answer: As the temperature increases, the flow rate decreases.
Explanation:
Question 5 (1 point) true or false: Balanced forces acting on an object result in constant velocity True False
Answer:
false
Explanation:
By Newton's first law (An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force), neither speed nor direction change. Our force is balanced.
Balance forces could happen when the object is at rest but not all the time. A balance force is when a object is being push in opposite directions, which would cause the object to stay still or move at a constant speed. Which would mean that balance force could take place when a object is moving or when a object is at rest.
Answer:
I believe its true:') sorry if im wrong..
1)Why can't we use science to tell whether we should use a weapon or clone an animal? Explain.
2)What are the levels of Scientific Knowledge from the Lowest to the Highest?
3)What are the 5 steps of the scientific method ? Explain what EACH one is.
4)What was one of the real examples of the scientific method we covered in class? (hint: spider, comet)
5)Why do we call the metric system the “SI” system in Science?
6)The Metric System is based on the meter and what other thing? Why does that make metric easier to understand?
7)What are 3 base units we use for Length, Volume, and Mass? How do you represent them with initials? Which one is capitalized?
8)
25 km = cm
800mg = g
12500 mL = L
358mm = m
76kg = g
20L = ml
9)Metric is based on universal constants (things you can measure) rather than examples (a person’s hand or food or a grain of rice). Why is this a good thing? Why is it important for Science too?
10)What did these folks do wrong?
Belinda and Suzy are working with Bob in the lab today. They decide to play a trick on him. They tell him that even though it isn’t written down, the teacher said that when they are done with today’s experiment, they should drink the solution because it tastes just like Dr.Pepper. Bob believes them (Belinda is very cute, after all) and makes a moveto pick up his still steaming beaker. Name at least two things that these three should improve on.
An
A continuación, se explicará la incidencia que este recurso formal tiene en el significado completo del poema.
What a Cell Wall can some tell me
Answer:
cell membrane
Explanation:
A cell wall is most commonly known as a cell membrane witch just controls what can go in and out of a cell .
( hope this helped )
which kind of energy transformation occurs in a gasoline-powered car?
F. Chemical energy is converted into mechanical energy.
G. Mechanical energy is converted into light energy.
H. Light energy is converted into sound energy.
J. sound energy is converted into chemical energy.
Answer:
Chemical energy is converted into mechanical energy
Explanation:
Chemical energy stored in the bonds of hydrocarbons is released as heat which drives the piston in a car to produce circular motion that propels the car.
what type of light on the electromagnetic spectrum has the lowest energy per photon?
Explanation:
oh wait you ask what type of light on the electricity as the lowest energy per photo so is like taking a photo yet to be like make up your mind
Choose the correct definitions of speed, velocity, and acceleration. Check all that apply. Acceleration tells us in which direction the object is going. Speed is the rate of change of velocity in time. Acceleration is the rate of change of velocity in time. Velocity is used to describe changes in the movement direction of the object. Acceleration tells us how far the object will go in a certain amount of time. Velocity is used to describe how fast the object is moving and tells us in which direction it is going. Speed is used to describe how fast the object is moving. Velocity is the rate of change of speed in time. Speed is used to describe how fast the object is moving and tells us in which direction it is going.
We have thatThe options that define Speed, Velocity,Acceleration.
Speed is used to describe how fast the object is moving.Acceleration is the rate of change of velocity in time.Velocity is used to describe how fast the object is moving and tells us in which direction it is going.Options
B,D,E
From the question we are told
Choose the correct definitions of speed, velocity, and acceleration. Check all that apply.
Acceleration tells us in which direction the object is going. Speed is the rate of change of velocity in time. Acceleration is the rate of change of velocity in time. Velocity is used to describe changes in the movement direction of the object. Acceleration tells us how far the object will go in a certain amount of time. Velocity is used to describe how fast the object is moving and tells us in which direction it is going. Speed is used to describe how fast the object is moving. Velocity is the rate of change of speed in time.Speed is used to describe how fast the object is moving and tells us in which direction it is going.
Generally
Acceleration is the rate of change of velocity in time.Velocity is used to describe how fast the object is moving and tells us in which direction it is going.Speed is used to describe how fast the object is moving without its direction in considerationHence
The options that define Speed, Velocity,Acceleration.
Speed is used to describe how fast the object is moving.Acceleration is the rate of change of velocity in time.Velocity is used to describe how fast the object is moving and tells us in which direction it is going.Options
B,D,E
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I need help filling this in
Answer:
smaller and further from
Explanation:
Pass light through something clear and light, you'll most likely be able to see all of it's rays spread out, the "normal." Now, pass it through something dense, the amount of light will shrink, therefore be further from the "normal."
How is an apple falling from a tree like the potential difference in a battery?
The gravitational potential energy of a falling apple is similar to the potential difference of a battery because both are energy stored in the object
The gravitational potential energy of a falling apple is maximum when the apple is at maximum height. As the apple begins fall to the ground the potential energy decreases and it will be transformed to kinetic energy.
[tex]P.E_i + K.E_i = P.E_f + K.E_f[/tex]
The potential difference in a battery is total energy stored in the battery.
Thus, the gravitational potential energy of a falling apple is similar to the potential difference of a battery because both are energy stored in the object.
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The similarity is that both the battery and the falling apple have stored energy.
We define the potential energy of an object as stored energy in that object.
A battery has potential energy, it is stored until you connect it to something and allow that energy to flow.
Similarly, when the apple is in the air it has potential energy, that will be transformed into kinetic energy as it falls (as the apple falls, its velocity increases, thus, the kinetic energy increases).
So both, the apple and the battery have stored energy, and that is the similarity between these two.
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Question 14
1 pts
Time
Attem
26M
In an experiment, a student adds weights to a spring and then measures the length the
spring is pulled. The length the spring is pulled is called the
O Dependent Variable
O Controlled Variable
Independent Variable
O Random Variable
< Previous
Next >
Answer:
The answer is Dependent Variable
Pedro runs a total of 125 m in a straight line north in 11.5 s. What is his velocity.
How much neutrons are in the nucleus of an atom with an atomic number of 25
Answer: 13 neutrons
Explanation: They differ only because a 24Mg atom has 12 neutrons in its nucleus and a 25Mg atom has 13 neutrons.
what is electrostatic induction
Answer:
See Below
Explanation:
It is a change in the distribution of electric charge on one object because of the influence a nearby object that has an electric charge. So if an object with a negative charge is brought near to a neutral object, the neutral object will alter itself so that one side becomes more positive and the other side becomes more negative.
Electrostatic induction occurs whenever any object is placed in an electric field.
Which action is due to field forces
Answer:
:)
Explanation:
Raindrops fall on the earth due to gravitational field force. When two magnets come closer to each other, they will either attract or repel each other, which is magnetic field force examples. Without any physical contact, iron pins get attracted towards the magnet as a field force.
I need help please
I’ll give BRAINLIST for correct answers!!
Answer:
1. the graph is showing the speed of the object at different times.
Explanation:
2. the object is slowing down
please help me i’m stuck on this question
A ball is rolling across the floor at a constant speed. What will happen to the ball if it is exposed to an unbalanced force in the same direction that it is moving?
A. It will immediately stop.
B. Its speed will increase.
C. Its speed will decrease.
D. Its motion will be unchanged.
Answer:
B. it's speed will increase
What type of energy does an oven produce?
Light and Heat
Heat
Light
None of the above
Answer:
The answer is heat
Explanation:
For me, I associate thermal energy with heat energy