As shown in the diagram, an inflated balloon released from rest moves horizontally with velocity "v". The velocity of the balloon is most likely caused by ______
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Answer:
Action reaction
Explanation:
Thus the response above is correct.
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i need help with the second question
Answers
Answer:
c i think
Explanation:
Hey guys <3
I need some help with this performance task,, physics isn’t my strongest subject so help is much appreciated :)
(3/9 parts)
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Answer:
3. B. Decreases
4. A. Increases
5. A. Repel
Lúc 7h sáng một xe xuất phát từ Bình Minh ra siêu thị Metro Hà Đông cách nhau 9,6km. Trên đoạn đường từ Bình Minh đến ngã ba Ba La cách nhau 7,2km xe đi với vận tốc 10m/s. Trên đoạn đường từ ngã ba Ba La đến Metro xe đi mất 3,2 phút.
a. Xác định thời gian xe đi đến siêu thị ? thời điểm xe đi đến siêu thị ?
b. Tính vận tốc trung bình của xe trên cả quãng đường từ Bình Minh đến siêu thị Metro Hà Đông ?
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can u type in english?????
A car moving along a straight highway with speed of 126 km 1 h− to brought to stop within a distance of 200 m. how long does it take for the car to stop?
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Answer: 11.43 sec
solution:
v2 – u2 = 2as
a = (v2 – u2)/2s
= (0 – 352)/(2 × 200)
= –1225/400
= –3.06 m/s2
v = u + at
0 = 35 – 3.06 × t
t = 35/3.06
= 11.43 sec
calculate the magnitude of the effort in the given
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500x0.5=2.5 x effort
250= 2.5 x effort
effort = 250/2.5= 100N
what observations about disks of dusty material around young stars suggest that planets may be forming in such disks?
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Planets may be forming from dust disks because these disks are filled with completely empty lanes.
We can arrive at this answer because:
The existence of empty lanes allows the dust disks to transform into many different materials, including new planets.In this case, there is a cooling of the dust disk, which cools more and more over time.This cooling causes all the particles in that disk to clot.Coagulation increases the density of the particles and if they are dense enough they can form escape accretions.Escape accretions allow for the formation of planetary embryos, which may form planets in the future.
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Describe the difference between distance, position, and displacement
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Answer:
Explanation:
Position is the location of the object (whether it's a person, a ball, or a particle) at a given moment in time.
Displacement is the difference in the object's position from one time to another.
Distance is the total amount the object has traveled in a certain period of time.
I hope this helps!
A spacecraft orbiting a planet at an altitude of 120 km releases a satellite that falls towards the surface. The planet has a mass of 5.2 x 10^23 kg and a radius of 2800 km. What is the acceleration of the satellite?
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Answer:
Consider a satellite with mass Msat orbiting a central body with a mass of mass MCentral. The central body could be a planet, the sun or some other large mass capable of causing sufficient acceleration on a less massive nearby object. If the satellite moves in circular motion, then the net centripetal force acting upon this orbiting satellite is given by the relationship
Fnet = ( Msat • v2 ) / R
Explanation:
The acceleration of the satellite released from a spacecraft orbiting a planet at an altitude of 120 km and the planet has a mass of 5.2 x 10^23 kg and a radius of 2800 km is 4.426 * [tex]10^6[/tex] [tex]m/s^2[/tex].
What is acceleration?
The term "acceleration" refers to the rate and direction at which velocity varies over time. Acceleration is the change in direction or speed of an object or points moving ahead. The frequent change in direction causes motion on a circle to rise even when the speed remains constant.
For all other motions, these effects increase the acceleration. A vector quantity, acceleration, is something that has both a magnitude and a direction. Velocity is a vector quantity as well.
Given:
The altitude of the spacecraft, h = 120 km,
The mass of the planet, m = [tex]5.2 * 10^{23}[/tex] kg,
The radius of the planet, r = 2800 km.
Calculate the acceleration by the formula given below,
A = [tex]G* m /r^2[/tex]
Here, A is the acceleration, G is the gravitational constant,
Substitute the values,
A = 6.674 * [tex]10^{-11}[/tex] *5.2 * [tex]10^{23}[/tex] / [tex]2800^2[/tex]
A = 4.426 * [tex]10^6[/tex] [tex]m/s^2[/tex]
Therefore, the acceleration of the satellite is 4.426 * [tex]10^6[/tex] [tex]m/s^2[/tex]
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why does lowered air pressure allow water to boil at room temperature
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Answer:
As ambient air pressure decreases, molecules evaporating from a boiling liquid meet less resistance from air molecules and enter the air more easily. Because the vapor pressure can be reduced, the temperature needed to boil the liquid is also reduced.
Explanation:
Answer:
Less force pushes down on the liquid, making it easier for gas to escape.
Explanation:
I hope this helps and have a great day!
an object is accelerating if there is a change in speed and which factor?
Answers
Answer:
Speed and direction.
Explanation:
When an object accelerates, its velocity changes. Velocity is often thought of as an object's speed with a direction. Thus, objects accelerating are either speeding up, slowing down or changing directions.
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1. The ability to cause change; the ability to do work is energy.
(5 Points)
True
False
Answers
Answer:
True
Explanation:
in each of five scenarios, a 1 kg mass is attached to the end of a massless stick by a massless string. each stick is motionless. rank the torques acting on each stick due to the tension in the attached string. take the axis of rotation in each case to be the end of the stick opposite the string.
Answers
Answer:
C=A>B>E>D
Explanation:
What direction would the net force acting on this box be pointed?
northeast
northwest
southeast
southwest
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Answer:
The diagram shows a net 2 N in the north direction and 2 N in the east direction - this would result in (4 + 4)^1/2 to the northeast.
the solar spectrum is a good example of what kind of spectrum?
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Continuous light from the hot, dense core of the Sun passes through the low-density atmosphere, producing an absorption spectrum.
I NEED THIS ANSWERED ASAP NO LINKS !!!
I need a answer that is 100% ACCURATE
Answers
Answer:
increase
Explanation:
I did the question
How can people check whether information they found on the Internet is reliable?
Information online is true because it was verified before being put online.
People can determine if what they read agrees with other information they know is true.
There is no real way to check.
People can check the publication date.
DONE
Answers
Answer:
people can determine if what they read agrees with other information they know is true.
Explanation:
edge 2021
Answer:
B. Is correct
Explanation:
A ball accelerates uniformly at +4.0 m/s2
If the ball was initially moving a +0.20 m/s and the average velocity was +4.2 m/s, then how long will it take it to reach the final velocity?
Answers
It will take 1 second to reach the final velocity
Acceleration of a body is the change in velocity of the body with respect to time. This is mathematically represented as;
[tex]a=\frac{v-u}{t}[/tex]
Given the following parameters
a = +4.0 m/s²
u = +0.20m/s
v = +4.2m/s
Substitute the given parameters into the formula to get the time "t"
[tex]4=\frac{4.2-0.2}{t}\\4t=4.2-0.2\\4t=4.0\\t=\frac{4}{4}\\t=1sec[/tex]
This shows that it will take 1 second to reach the final velocity
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Derive the relationship between g and G using the relationship calculate the value of g on earth
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Answer:
A
Explanation:
convert -13°F into (a) °C (b) kelvin
Answers
Answer:
-25ºC
Explanation:
can a tree live on another planet?
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Answer:
It depends on the quality of the elements upon the planet. They require carbon dioxide and sun light to photosynthesize and perform aerobic respiration with other components. However, there are some current planets that consist plants upon their surface.
How long would it take you to travel 163 meters at a speed of 33 meters per second?
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Speed=
[tex]33m {s}^{ -1} [/tex]
Distance=
[tex]163m[/tex]
speed= distance/time
So,
Time= distance/speed
Time= 163/33
=[tex]\huge\underline\mathtt\colorbox{cyan}{4.9393s}[/tex]
a constant current flows in the conductor with a magnitude of 1.6 mA. Calculate the charge and number of electrons transferred through the straight cross-section of the conductor in 1 hour.
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[tex]\\ \sf\longmapsto I=\dfrac{Q}{t}[/tex]
[tex]\\ \sf\longmapsto Q=It[/tex]
[tex]\\ \sf\longmapsto Q=0.0016(3600)[/tex]
[tex]\\ \sf\longmapsto Q=5.76C[/tex]
What combination for distance and mass gives you the STRONGEST or LARGEST force?
Answers
Answer:Anything that has mass also has gravity. Objects with more mass have more gravity. Gravity also gets weaker with distance. So, the closer objects are to each other, the stronger their gravitational pull is.
Explanation:
Imagine everyone in the United States exhibited the character traits we have been discussing. In what ways would America be different?
Now imagine no one in American exhibited any of those character traits. In what ways would America be different?
Answers
Answer:
Characterization is the process by which the writer reveals the personality of a character. Characterization is revealed through direct characterization and indirect characterization. Direct Characterization tells the audience what the personality of the character is.
Explanation:
Mood, or atmosphere, is the feeling created in the reader by a literary work or passage. ... Often, a writer creates a mood at the beginning of a work and then sustains the mood throughout. Sometimes, however, the mood of the work changes dramatically.
if an inelastic collision takes place, during the collision, what is conserved?
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Answer:
An inelastic collision is a collision in which there is a loss of kinetic energy. While momentum of the system is conserved in an inelastic collision, kinetic energy is not.
why do the lights in your home come on almost instantaneously when you turn on the switch?
Answers
Answer:
here you go
Explanation:
Why do your lights actually come on almost instantaneously? ... Wiring the house in parallel does not make a difference – there is no current flowing through the light bulb when the switch is off no matter how the house is wired. If there were a current already, the light would be on!
1. Give three examples, from the lab, where potential energy was converted to kinetic energy:
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Answer:
A book on a table before it falls.
A yoyo before it is released.
A raised weight.
Explanation:
These are all examples of potential energy. So I hope you can find something that is comparable from the lab.
im confused on number one
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Explanation:
v=?, u=0, a=?, S=22m.
Using the formula, S=ut+½at²
22={0×5}+(½.a.5²)
22=½.a.5²
a=44/25 = 1.76m/s².
Therefore, net force = work done = ma = 48×1.76 = 84.48N.
therefore, power = work done/time = 84.48/5 = 16.896W.
hope this helps you.
Làm như thế nào v cái bài có hình đính kèm
Answers
Answer:
I don't understand that language. This brainly is english.
Explanation:
Which one is the right answer?
Newton’s second law of motion relates an objects acceleration to _____.
A. It’s mass
B. It’s velocity
C. The net force acting on it.
D. Two of the above
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Answer:
C. The net force acting on it.