Answer:
Explanation:
How can we predict future motion?
Image result for how can we use data to predict future motion
Make observations and/or measurements of an object's motion to provide evidence that a pattern can be used to predict future motion. Clarification Statement: Examples of motion with a predictable pattern could include a child swinging in a swing, a ball rolling back and forth in a bowl, and two children on a see-saw.
As a society, living sustainably means protecting Earth's natural capital and living on its natural income. True or False
Answer:
true
Explanation:
2) Um gás ideal sofre uma determinada transformação, conforme mostra o gráfico abaixo. Considere
que no processo ABC o gás recebeu 80000 J de calor. Dados: 1 atm = 100000 Pa.
a) Determine o trabalho realizado pelo gás.
b) Determine a variação da energia interna do gás.
Answer:
yes
Explanation:
true or false
energy can neither be created nor be destroyed
Energy can be changed from one form to another, but it cannot be created or destroyed. The total amount of energy and matter in the Universe remains constant, merely changing from one form to another. ... In essence, energy can be converted from one form into another.
So , the answer is true
BRAINLIEST : A car starts from rest and accelerates at a rate of 40 m/s2 over a time if 2.4 s. How fast is the car going at the end of this time interval?
Please explain
Answer:
[tex]\boxed {\boxed {\sf 96 \ m/s}}[/tex]
Explanation:
We are asked to find the final velocity of the car given the acceleration and time. We can use the following kinematics equation to calculate the final velocity.
[tex]v_f=v_i+(a \times t)[/tex]
The car starts from rest, so the initial velocity is 0 meters per second. It accelerates a rate of 40 meters per square second over a period of time of 2.4 seconds.
[tex]v_i[/tex]= 0 m/s a= 40 m/s²t= 2.4 sSubstitute the values into the formula.
[tex]v_f= 0 \ m/s + ( 40 \ m/s^2 \times2.4 \ s)[/tex]
Solve inside the parentheses.
40 m/s/s * 2.4 s = 40 m/s * 2.4=96 m/s[tex]v_f= 0 \ m/s + (96 \ m/s)[/tex]
Add.
[tex]v_f= 96 \ m/s[/tex]
The final velocity of the car is 96 meters per second.
Bob the American has just driven his car across the Canadian border when he sees a
speed limit sign of 85 kilometers/hour. His speedometer only shows his speed in
miles/hour. Convert the kilometers to miles so that Bob doesn't get a speeding ticket.
(Conversions: 1 mile = 5280 ft; 1 foot = 12 in.; 1 inch = 2.54 cm
Answer:
it equals 53 miles per hour
If a diver displace water with a weight of 500N what is the upthrust on the diver?
Answer:
500N
Explanation:
Basically the weight of water displaced is the amount of upthrust. The upthrust is equal to the weight of the water moved by the submerged part of the body and therefore is equal to 500N.
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'You perform an experiment to determine how the type of lightbulbs used in your
house (incandescent, LED, fluorescent) affects your electric bill.
What is the dependent variable?
A.) The type of lightbulb used
B.) Your electric bill
C.) The size of your house
D.) The number of bulbs in your house
discuss one way in which global warming aggravates the effect of radiation
One way by which global warming aggravates the effect of radiation is through greenhouse effect
The combined effects of global warming and radiation is explained as follows.
Global warming is the gradual increase in the temperature of the Earth's surface (land), ocean and the atmosphere through the heat from the radiation of the sun.
One way by which global warming aggravates the effect of radiation is through greenhouse effect.
This occurs when the radiation from the sun is allowed to pass into the Earth's atmosphere but subsequent heat radiating from the Earth is prevented from escaping into the space.This greenhouse effect aggravates the effect of radiation.
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When pressurizing your scuba system (i.e., turning the air on), you should:
A. Look directly at the submersible pressure gauge (SPG) to make sure the cylinder is full.
B. Hold the SPG facing down or away from you.
C. Keep at least one second stage purge button depressed.
D. None of the above
Which is the cause of the suns magnetic properties ?
A) upward movement or super heated gases in the convection zone
B) uneven churning of plasma
C) rapid spinning of metals in the core
D) uniform clockwise rotation of charger particles
Answer:
Q:
What characteristic is shared by sunspots, solar flares, and coronal mass ejections? Select the two correct responses.
A:
They tend to occur during active periods of the solar cycle. & They are caused by outward fluctuations of the sun's magnetic field.
Q:Drag each item to the correct location.
A: sunspot: cooler area on suns surface where the magnettic field emerges
solar flare: intense burst of radiation coming from the rapid release of magnetic energy
coronal mass ejection: large bubble of plasma from the rapid release of magnetic energy
Q: Which is the cause of the sun's magnetic properties?
A: uneven churning of plasma
Explanation:
took quick check
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The uneven churning of plasma is the cause of the sun's magnetic properties, therefore the correct answer is option B.
What is a magnetic field?A magnetic field could be understood as an area around a magnet, magnetic material, or an electric charge in which magnetic force is exerted.
For a simple bar magnet, N-pole and S-pole are the points on a magnet that have the strongest magnetic field. The magnetic field originates from the north pole and terminates in the south pole of a magnet.
The positively charged ions and negatively charged electrons that make up the plasma of the Sun move around a lot due to its high temperatures. Multiple intricate magnetic fields that twist and turn are produced by the moving plasma. A magnetic field is produced by the extremely hot plasma that escapes from the Sun as the solar wind.
Thus, The sun's magnetic properties are caused by uneven plasma churning, so option B is the correct answer.
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91.0x26x504 ...............
Answer:
1192464
Explanation:
91.0 times 26 = 2366
2366 times 504 = 1192464
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Name an acid which is highly corrosive and should never be tested by mouth.
Answer:
We all know that HCI is highly corrosive mineral acid. It's produced naturally in our (Human being) Stomach
It (HCI) is produced by the gastric glands in stomach. HCI activates the enzyme Pepsin and creates an acidic medium which kills the bacteria which might have entered while digestion & also making it simpler for further digestion.
HCI does not harm our stomach because the gastric gland also produces Mucus which helps in preventing the damage of inner wall (layer) of stomach from the action of this Acid.
imagine that you are in the outer space where gravitational pull and friction force are non-existent. if you throw a solid ball, what do you think will happen to the ball?
Answer:
It will go on forever and won’t stop moving
Explanation:
I think it will travel forever and will be slow in the process it won’t stop is what I think
The ball is hurled upward into space, it climbs steadily until it collides with an obstruction in its path.
What is gravitational force?All mass-bearing objects are attracted by gravitational force. Because it consistently attempts to bring masses together rather than push them apart, the gravitational force is referred to as attractive.
As we know, the gravitational force is given by:
[tex]\rm F = \dfrac{Gm_1m_2}{r^2}[/tex]
Where G is the gravitational constant.
m1 and m2 are masses.
r is the distance between the masses.
As we know,
There is no gravity in space, the ball is not subject to the effects of gravity. When a ball is hurled upward into space.
It climbs steadily until it collides with an obstruction in its path.
Thus, the ball is hurled upward into space, it climbs steadily until it collides with an obstruction in its path.
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A car advertisement states that a certain car can accelerate from rest to 70 km/s in 7 seconds. Find the car’s average acceleration.
Please find attached photograph for your answer. Please do comment whether it is helpful or not.
Find the x and y components of each of the following vectors.
hyp = 15 m/s
theta = 150°
x = ?
y = ?
Answer:
x =
[tex] - 15 \times \frac{ \sqrt{3} }{2} \frac{m}{s} [/tex]
y = 7.5m/s
what is moment and it's type
Explanation:
The turning effect of a force is called moment .
There are two types of moment. They are:-
clockwise momentanti-clockwise momente) A escalator carries 60 people of average mass 70kg to a height of 5m in one minute. Find the power needed to do this? 4
Answer:
3500J/s
Explanation:
P=W/T
42000×10×5÷60
=3500J/s
why is there potential for wind energy in the upper himalayanx
Answer:
Favorable sites include the tops of smooth, rounded hills; open plains and water; and mountain gaps that funnel and intensify wind. Wind resources are generally more favorable for electricity generation at higher elevations above the earth's surface
7. Who has the greater average velocity: an astronaut who has jut completed an orbit of the Earth or you when you have just traveled from home to school? Explain.
Answer:
the anser is
Explanation:
Acceleration is defined as the rate of change of velocity.
Acceleration = (Change in velocity) / time taken
Acceleration = (Final velocity - initial velocity) / time
As the object velocity changes by the same amount in each second, it means the acceleration is constant.
An electric field around two charged objects is shown.
What are the charges of objects X and Y?
A) X: negative
Y: positive
B) X: positive
Y: positive
C) X: negative
Y: negative
D) X: positive
Y: negative
Question is incomplete.!
Answer: D
Explanation: i just took the test edge 2023
A tractor pulls a trainer at a constant speed the tractor exerts a forward force of 1600N on the trailer. What is the force exerted by the trailer on the tractor?
Answer: 1600N backwards.
Explanation: This falls into the third law.
Give a reasonable order-of-magnitude estimate of the number of golf balls that would fill a home
swimming pool
An order of magnitude is a number of the form 10^n such that can be used to compare magnitudes or quantities.
We will find that the order of magnitude of golf balls that fill a home swimming pool is 10^6
In this case, we want to estimate the number of golf balls that would fill a home swimming pool.
We know that the diameter of a golf ball is D = 42.6mm = 0.0426m
And the volume of a sphere of diameter D is:
V = (4/3)*pi*(D/2)^3
where pi = 3.14
Then the volume of a single golf ball is:
V = (4/3)*3.14*( 0.0426m/2)^3 = 0.00004 m^3
Now we need to find the average volume of a home swimming pool, we can use 48 m^3 (an average one) to do the general math.
To find the number of golf balls that enter in that volume, we need to do the quotient between the volume of the pool and the volume of a single ball:
N = (48 m^3)/(0.00004 m^3) = 1,200,000
If we round this to the next order of magnitude: 10^6 (the exponent is the number of digits at the right of the one)
Then the order of magnitude of golf balls that enter in a home swimming pool is 10^6
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name the different varieties of electrolytes used in alkaline button cells
Answer:
Potassium hydroxide
Explanation:
it is the standard electrolyte solution for alkaline cells
Which option is a negatively charged ion?(1 point)
chlorate
chloride
chlorite
chlorine
Answer:
Explanation:
They all are except chlorine which has no charge.
chlorate is ClO3 -1
Chloride Cl-1
Chlorite is ClO2 - 1
All of them are minus one. If you mean which has a chloride ion with a charge of -1 that would be the chloride ion.
Answer:
Chloride
Explanation:
All Answers
Chloride
Valence electrons increase by one
How many energy levels it has
1-
Potassium and iodine
10dm/s=...m/phút=......km/h
50km/h =....m/s=...cm/phút
20m/s=....km/phút=....dm/h
200km/h =...nút=...cm/s
discuss the three consequences of lack of basic services in community
We have that the Three consequences of lack of basic services in community are
-Educational Impact
-Insecurity
-Poverty
Lack of basic services in community
There are many consequences that result from the lack of basic services in a community but i shall focus on these three as they are very major impacts
-Educational Impact
Basic service like Water,Electricity ,Mobility and close Proximity to market place has a major impact on the ability of a person pursue educational attainments.we live in a modern world and without power(as) electricity we can not do much of studying in this times
-Insecurity
The Human mind is built with a default setting of Survival.Without the basic services provide persons of low moral will tend to go into illegal acts to survive as the basic needs are necessary for survival
-Poverty
For a community to grow it is necessary that the right environment is made available for growth and if these requirements are not meet in form of basic services in community the community falls under the threat of falling into poverty
In conclusion
The Three consequences of lack of basic services in community are
-Educational Impact
-Insecurity
-Poverty
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What is something that you would like to see a physicist develop in the future?
Answer:
teleportation (artificial or natural over wormholes )
A car travels a distance of 65 km. For the first 30 minutes, it is driven at a constant speed of 70 km/hr. The motor begins to vibrate and the driver reduces the speed to 20 km/hr for the rest of the trip. The average speed for the entire trip is?
Answer : 53.3 km/hr.
explanation
7. A train is traveling with an initial velocity of 20.1 m/sec. If the brakes can apply a maximum
acceleration of -0.0500 m/sec”, how long will it take the train to stop?
The time that takes for the train that is traveling with an initial velocity of 20.1 m/s to stop is 402 seconds.
The time that will take for the train to stop can be calculated with the following kinematic equation:
[tex] v_{f} = v_{i} + at [/tex] (1)
Where:
[tex] v_{f}[/tex]: is the final velocity = 0 (when it stops)
[tex] v_{i}[/tex]: is the intial velocity = 20.1 m/s
a: is the acceleration = -0.0500 m/s²
t: is the time =?
By solving equation (1) for t, we have:
[tex] t = \frac{v_{f} - v_{i}}{a} = \frac{0 - 20.1 m/s}{-0.0500 m/s^{2}} = 402 s [/tex]
Therefore, it will take 402 seconds for the train to stop.
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Liquid pressure is directly proportional to the 1. Volume 2. Mass 3. Density 4. Temperature
Answer:
density☺️☺️☺️