Answer:
The mass of earth 6*10^24kg and radius is 400kg Now find the value of acceleration due to gravity when a object is 3600km from the earth surface
what's the difference between a lunar eclipse and a solar eclipse?
Answer:
passes
Explanation:
Traditionally, eclipses are divided into two major types: solar and lunar. Solar eclipses occur when the Moon passes between Earth and the Sun, leaving a moving region of shadow on Earth's surface. Lunar eclipses occur when Earth passes between the Sun and the Moon, casting a shadow on the Moon.
Which describes an object in projectile motion?
Gravity acts to push the object sideways.
The object moves in a straight path.
The forward velocity of the object is 0 m/s.
The object's inertia carries it forward.
Answer:
D: The object's inertia carries it forward.
Explanation:
Answer:
The answer is d
Explanation:
will give brainlist 20 points
Answer:
I think its uniform I dont really know
If an elephant grows to twice its normal height, its weight will be multiplied by about?
If an elephant grows to twice its normal height, its weight will be multiplied by about four times.
When an object grows in three dimensions, such as an elephant growing in height, width, and length, its volume increases. Since weight is directly related to volume, we can assume that the elephant's weight will also increase.
The relationship between volume and height can be described by the formula V = h^3, where V is the volume and h is the height. If the height is doubled, the new volume will be (2h)^3 = 8h^3. Since weight is directly proportional to volume, the weight will also be multiplied by 8.
However, weight is also influenced by factors such as bone density, muscle mass, and fat content, so this multiplication factor is an approximation. Therefore, if an elephant grows to twice its normal height, its weight will be multiplied by about four times.
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Find Vn, Vout, and lout for the circuit shown below. Assume that the op amp is ideal. 6V 3ΚΩ www 1k02 www +5V 1.5mA -5V 2. Find Vn, Vout, and lout for the circuit shown below. Assume that the op amp is ideal. 6V 1k0 www 2.5KQ www +5V 3mA 2kQ www ΣΚΩ 4mA 5V 2k0 ww 8V 10k(2 -5V lout www-11 lout ww-11 Vou 5ΚΩ Vout ΣΚΩ
The voltage at the inverting terminal is 7.5 V. V out is -12.5 V. The current flowing through R4 is 0.5 mA.
Given that Vn, Vout, and lout for the circuit shown below and op amp is ideal.In the circuit, current I2 flows through the 2.5 kΩ resistor.
Therefore, the voltage drop across the 2.5 kΩ resistor is given by,
Vn = I2 x R2Vn = 3 mA x 2.5 kΩ = 7.5 V
Therefore, the voltage at the inverting terminal is 7.5 V.
Since op-amp is assumed to be ideal, no current flows into the inverting and non-inverting terminals.
Therefore, current through R3 is given by,
I3 = (Vn - Vout) / R3=> Vout = Vn - I3 x R3=> Vout = 7.5 V - 4 mA x 5 kΩ=> Vout = - 12.5 V
Therefore, Vout is -12.5 V.
Let's calculate the current flowing through R4:
This current will also flow through the 5 kΩ resistor.
Let lout be the current flowing through R4.
Therefore, current through the 5 kΩ resistor is also lout.
Now, I4 + lout = I3=> I4 = I3 - lout=> I4 = 4 mA - lout
Also, I4 = (5 V - Vout) / R4=> 4 mA - lout = (5 V - (-12.5 V)) / 5 kΩ=> 4 mA - lout = 3.5 mA=> lout = 0.5 mA
Therefore, lout is 0.5 mA.
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Which two factors affect the amount of thermal energy an object has?
What is the difference between an object’s speed and its acceleration? NO LINKS
Answer: Hello! An objects speed is constant and has the units meters per second (m/s); thus, it does not change overtime. Acceleration is a rate of change where the speed does either increase or decrease overtime from its inital value; its units are meters per second second (m/s/s). I hope that helps!
what is the term for the matter through which a mechanical wave travels?
The image below is a sketch of two-slit diffraction of light. Narrow slits at A and B act as wave sources, and waves interfering in various phases are shown at C, D, E, and F.
A sketch of two-slit diffraction of light. Narrow slits at A and B act as sources on the left, and waves interfering in various phases are shown at C, D, E, and F on the right.
The equation for the double-slit experiment for small angles is
Equation showing lambda divided by d equals x divided by L
In the image, which description below represents the d of the equation?
The distance between A and B
The distance between A and D
The distance between midpoints D, E, and F
The light bands between D and E and F
In the image, the distance between A and B represents the d of the equation.
What is the two-slit diffraction of light.?Diffraction occurs when waves, such as light or sound, spread out when they pass through a slit or around an object.
Light will spread out and overlap with light from the other slits as it travels through each of the slits.
The two-slit diffraction of light is seen in the figure below. Wave sources are represented by narrow slits at A and B, while waves interfering in various phases are displayed at C, D, E, and F.
A diagram illustrating light diffraction through two slits. On the left, narrow slits A and B operate as sources, while on the right, waves interfering in various phases are depicted at C, D, E, and F.
The given equation is;
\(\frac{\lambda}{d} =\frac{x}{L}\)
The equation represents the image form between A and B.
Hence in the image, the distance between A and B represents the d of the equation.
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When waves, like sound or light, spread out as they move through a slit or around an object, this is known as diffraction.
Thus, As light passes through each slit, it will disperse and blend with light from the other slits.
The illustration below shows how light is diffracted by two slits. Narrow slits at A and B depict the wave sources, while waves interacting in different phases are shown at C, D, E, and F.
a picture showing the diffraction of light via two slits. Narrow slits A and B act as sources on the left, and on the right, waves at C, D, E, and F are shown interacting in different phases.
Thus, When waves, like sound or light, spread out as they move through a slit or around an object, this is known as diffraction.
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Two marbles are pressed together with a light ideal spring between them, but they are not
attached to the spring in any way. They are then released on a frictionless horizontal table and
soon move free of the spring. As the marbles are moving away from each other, which of these
statements about them are true?
(a) Only the momentum of the marbles is conserved,
(D) only the mechanical energy of the marbles is conserved,
(c) both the momentum and the mechanical energy or the marbles are conserved,
(a) the kinetic energy or the marbles is conserved.
The correct statement is (a) Only the momentum of the marbles is conserved.
When the marbles are pressed together and released, the spring between them exerts a force that causes them to move apart. As they move away from each other, the internal potential energy stored in the spring is converted into kinetic energy of the marbles. Since no external forces are acting on the system, the total momentum of the marbles is conserved throughout their motion.
However, the mechanical energy of the marbles is not conserved. The initial potential energy stored in the compressed spring is transformed into the kinetic energy of the marbles as they move apart. Therefore, the mechanical energy of the system (spring and marbles) changes as they separate.
So, only the momentum of the marbles is conserved in this scenario.
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The stars procyon and betelgeuse both appear equally bright to earthbound viewers. yet betelgeuse emits 5000 times more light than procyon. Why do they appear to be equally bright?
The stars Procyon and Betelgeuse both appear equally bright to earthbound viewers. yet Betelgeuse emits 5000 times more light than Procyon, they appear to be equally bright because Betelgeuse is much farther than Procyon.
What is a solar system?It is a system that collection of all the planets and spatial bodies revolving around the sun because of the gravitational pull of the sun.
Our Solar System is based on a heliocentric model in which the Sun is assumed to reside at the central point of the planetary system.
Thus. they appear equally bright because Betelgeuse is much farther than Procyon.
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Using the momentum formula, calculate the momentum of a 10,015 kg car rolling down a hill at 3.25 m/s
We will have the following:
\(\tau=(10015kg)(3.25m/s)\Rightarrow\tau=32548.75kg\ast m/s\)So, the momentum of the car is 3258.75 kg*m/s.
Weight is the direct result of :
A. Distance
B. The amount of gravity being pulled
The fact that a thermometer "takes its own temperature" illustrates
A) thermal equilibrium.
B) energy conservation.
C) the difference between heat and thermal energy.
D) that molecules are constantly moving.
The fact that a thermometer "takes its own temperature" illustrates A) thermal equilibrium. When a thermometer is placed in contact with an object or substance, the transfer of heat occurs between the thermometer and the substance until they reach the same temperature.
This state, where no net heat transfer occurs, is known as thermal equilibrium. The thermometer then displays the temperature based on the equilibrium it has reached with the substance being measured. This process demonstrates the concept of thermal equilibrium rather than energy conservation, the difference between heat and thermal energy, or the constant motion of molecules.
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Why Carbonated drinks are homogeneous mixture
Answer: Explanation:
Carbonated drinks are mixtures of water, sugar, flavorings, and dissolved carbon dioxide gas. They are homogeneous because the ingredients are mixed together to form a consistent liquid.
What should food workers do to prevent chemical hazards from contaminating food?
A. Wash their hands after taking out the garbage
B. Wear a hair net when working for food preparation areas
C. Store cleaning solutions and bottles away from food storage areas
D. Clean and San at is equipment and utensils for after hours of continuous use
You research the star Sirius and find that its spectral lines are blue-shifted. What does this tell you about Sirius?
a. Its surface temperature is higher than that of the sun.
b. It has a transverse velocity that is toward us.
C. It has a radial velocity that is toward us.
d. It has a radial velocity that is away from us.
e. It has a transverse velocity that is away from us.
You conduct study on the star Sirius and discover that its spectral lines are blue-shifted; this indicates that Sirius is (C) has a radial velocity that is moving in our direction.
What is called velocity?The vectoral expression of velocity is the movement in space-time of an object or particle. The recognized unit of velocity magnitude is the metre per second (m/s) (also known as speed). The rate of speed can also be expressed in centimetres per second (cm/s). The rate at which the location of an item shifts when viewed from a certain angle and as expressed by a particular time unit (for instance, 60 km/h northbound) is measured by the direction it is traveling in, which is determined by its velocity.
What is velocity in physics?As a physical vector number, velocity must have a definite amount and direction. The SI defines speed as a coherently derived number that is expressed in meter per second (m/s or ms1). A scalar absolute value (magnitude) for velocity is called speed (metric system). "5 meters per second" is a vector.
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we have seen birds perching on high voltage wires. the bird can stand harmlessly on one wire of high potential. why?
Birds can sit on power lines and not get electric shocks because the electricity is always looking for a way to get to the ground. The birds are not touching the ground or anything in contact with the ground, so the electricity will stay in the power line.
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Gizmo seasons why do we have them answer key
4) from the plots, determine the short-circuit current corresponding to the same value of field current which produced the rated open-circuit voltage.
Short circuit current vs field current slope from the curve for If=0.2 and If=0.4.
Slope = (Isc(If=0.4)-Isc(If=0.2))/2
An electric current modern-day is a circulation of charged debris, which include electrons or ions, transferring through an electrical conductor or space. it's miles measured because the net charge of go with the flow of electrical charge thru a floor or into a manipulated volume.
The current flowing in a circuit may be utilized in a diffusion of approaches from producing warmness to inflicting circuits to exchange, or statistics to be stored in an integrated circuit.
There are three simple currents utilized in business healing electric stimulation units: direct cutting-edge, alternating contemporary, and pulsed modern-day.
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The moon euphoria is in a circular orbit around Jupiter. Which of the following describes the direction of the centripetal force acting on euphoria.
A) pointing hand into the path of its orbit
B) pointing towards the sun
C)Pointing away from Jupiter
D) pointing towards Jupiter
What is the unit of work? Explain whether the unit of work is a fundamental uint
or derived unit
1.
What do you mean by a unit?
2.
unit or a derived unit.
are the fundamental units used in physics?
al Bureau of Weights and Me
Answer:
1)the unit of work is joule. 2)it is derived unit because it is made by two different unit force and displacement .3)
A person strikes a ball with a bat. The temperature of the ball increases by 0.06ᵒC. What accounts for the increase?
The increase in the average kinetic energy of the ball causes the increase in the temperature of the ball.
Kinetic energy of a particle is directly proportional to its temperature.
A ball initially at rest acquires kinetic energy when an external force is applied to it. As the person strikes the ball with a bat, the ball gains momentum which increases its kinetic energy of the ball.
Temperature on the other hand, is the measure of the average kinetic energy of a particle. Consequently, as the kinetic energy of the ball increases, the temperature of the ball increases as well.
Thus, we can conclude that the increase in the average kinetic energy of the ball causes the increase in the temperature of the ball.
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Good Nicky and Evil Nicky do 800 J of work to move shelly's tank 5 meters across the floor. How much force did you use? if it took 6 seconds to slide the box what was the power used?
Answer:
The force used is 160 N, and the power used is 133 W.
Explanation:
Because the formula for force is Work/Distance, the answer in that case would be 800J/5m, and that would give you an answer of 160 N. For Power, the formula is Work/Time, and for that the expression would be 800/6, and that would give you 133 W as the power used.
Albert Bandura’s theory, originally called social learning theory, is now referred to as __________, and it suggests cognitive processes play a role in influencing one’s personality.
Answer:
social cognitive theory
Explanation:
Albert Bandura's theory, originally called social learning theory, is now referred to as social cognitive theory, and it suggests cognitive processes play a role in influencing one's personality.
Albert Bandura's theory, originally called social learning theory, is now referred to as social cognitive theory, and it suggests cognitive processes play a role in influencing one's personality.
What are cognitive processes?Cognitive processes refer to the mental processes involved in perception, attention, memory, reasoning, problem-solving, and decision-making. They involve the use of knowledge, experience, and understanding to process information and make sense of the world around us.
Here, examples of cognitive processes include perception, attention, memory, language processing, and executive functions such as planning and decision-making. Cognitive processes are essential for learning, problem-solving, and adaptive behavior, and they are an important focus of study in psychology and cognitive science.
Albert Bandura's theory, originally called social learning theory, is now referred to as social cognitive theory, and it suggests cognitive processes play a role in influencing one's personality.
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In order to find the resultant of two vectors we must use the pythagoran therom, a +b2-2. Where the crepresents the resultant vector
Answer:
Furthermore, the Pythagorean theorem works when the two added vectors are at right angles to one another - such as for adding a north vector and an east vector.
The pages of a book are numbered i to 200 and each leaf is o.10 mm thick.If each cover is 0.20mm thick,what is the thickness of the book.
The thickness of the book is 10.40 mm thick.
The reason we learn math is to apply this to real life. We learn addition, subtraction, multiplication, division, and all other mathematical operation with the aim that we can use that in real-life problems. Given problem is one of the examples where we will use math in a real-life situation.
200 pages means that there are 100 papers.
1 paper = 0.1mm
So, 100 papers = 0.1* 100 = 10mm
There are two covers of 0.2mm each, therefore
Total thickness = 10 + 2*0.2
= 10 + 0.4
= 10.4 mm
Hence, thickness of the book is 10.40 mm thick.
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The thickness of the book is 10.40 mm thick.
Why we apply math in real life?Learning math is done so that you can use it in real-world situations. It is our intention to be able to use addition, subtraction, multiplication, division, and all other mathematical operations to solve problems that come up in daily life. The given problem is one of the situations where math will be used in a practical setting.
200 pages means that there are 100 papers.
1 paper = 0.1mm
So, 100 papers = 0.1* 100 = 10mm
There are two covers of 0.2mm each, therefore
Total thickness = 10 + 2*0.2
= 10 + 0.4
= 10.4 mm
Hence, thickness of the book is 10.40 mm thick.
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According to these data, which type of animal is most likely to hear
sounds with frequencies of 10 hertz?
A Bat
B Dog
C Grasshopper D Human
C
becuz grasshopper can hear between 12-20kHz
Convert 3.8 kg to Lbs
Answer:
8.37757
Explanation:
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a pulse has a speed of 0,5m,s .how long does it take to cover a distance of 25cm?
To calculate how long it takes for a pulse to cover a distance of 25cm, we can use the formula:
time = distance / speed
In this case, the distance is 25cm and the speed is 0.5m/s, so we can plug in these values:
time = 25cm / (0.5m/s)
To convert cm to m we divide the distance by 100.
time = 25 / 100 m / 0.5m/s
time = 0.25s
So it takes 0.25 seconds for the pulse to cover a distance of 25cm, when the speed of the pulse is 0.5m/s.