Considering the definitipn of current, voltage, power, and Ohm's law,
CurrentThe flow of electricity through an object, such as a wire, is known as current (I). Its unit of measurement is amps (A). So current is a measure of the speed at which the load passes through a given reference point in a specified direction.
VoltageThe conductive force (electrical pressure) behind the flow of a current is known as voltage and is measured in volts (V) (voltage can also be referred to as the potential difference or electromotive force). That is, voltage is a measure of the work required to move a charge from one point to another.
Resistance
Resistance (R) refers to the resistance or opposition that an element has to the passage of electric current. It is represented by the symbol Ω and indicates the resistance that an element offers to the passage of electricity.
This means that the greater the resistance to the passage of current, the lower the intensity or amount of electricity that passes through this conductor.
The resistance that is measured in ohms.
Ohm's law
Ohm's law indicates that the current through a circuit is directly proportional to its voltage or voltage and inversely proportional to the resistance it presents.
Mathematically, Watt's law is expressed:
[tex]I=\frac{V}{R}[/tex]
So if you want to find resistance, the expression for its calculation is:
[tex]R=\frac{V}{I}[/tex]
This caseIn this case, you know:
V= 5.26 VI= 0.41 AReplacing:
[tex]R=\frac{5.26 V}{0.41 A}[/tex]
Solving:
R= 12.8 ohms
Habiba is right. The resistance is 12.8 ohms.
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1. If there are two objects of equal size but object A is heavier than object B, which statement is TRUE according to Newton’s second law of physics?
A.
Object A will require less force to be set in motion and will travel faster.
B.
Object B will require less force to be set in motion and will travel faster.
C.
Object A will require more force to be set in motion but will travel faster than object B.
D.
Object B will require more force to be set in motion but will travel faster than object A.
2. For athletes, a focus on body mechanics improves the effectiveness of their efforts.
A.
True
B.
False
The answers are 1. According to Newton's second law, object A, being heavier, requires more force to be set in motion and will travel faster than object B. The correct answer is options C. and 2. Focusing on body mechanics is important for athletes as it improves their effectiveness, and technique, and reduces the risk of injury is a true statement.
1. According to Newton’s second law of physics, if there are two objects of equal size but object A is heavier than object B, then the statement that is true is option C: Object A will require more force to be set in motion but will travel faster than object B. Newton's second law of motion states that acceleration is directly proportional to the force applied and inversely proportional to the object's mass. Since both objects are of equal size but object A is heavier, it will require more force to be set in motion. However, once in motion, it will have more inertia and travel faster than object B.2. The statement "For athletes, a focus on body mechanics improves the effectiveness of their efforts" is True. Body mechanics refers to the way in which the body moves and maintains balance while performing a physical task. Athletes need to have proper body mechanics to achieve maximum efficiency and reduce the risk of injury. By focusing on their body mechanics, athletes can improve their technique, reduce unnecessary movements, and improve their overall performance. Good body mechanics can also help to prevent injury and reduce wear and tear on the body. Therefore, a focus on body mechanics is essential for athletes to maximize their performance while minimizing their risk of injury. In summary, Newton's second law states that a heavier object requires more force to be set in motion, while a focus on body mechanics can improve the effectiveness of athletes' efforts.For more questions on Newton's second law
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Two point charges are separated by 6.4 cm . The attractive force between them is 10 N . Suppose that the charges attracting each other have equal magnitude. Rearrange Coulomb's law and find the magnitude of each charge. Express your answer to two significant figures and include the appropriate units.
Answer:
Two point charges are separated by 6.4 cm . The attractive force between them is 10 N .
units.
Explanation:
WHAT IS PHOTOSYNTHESIS
Answer:
PROCESS BY PLANTS MAKE THIER OWN FOOD WITH THE HELP OF WATER, MINERAL CHLOROPHYLL, CARBON DIOXIDE IN THE PRESENCE OF SUNLIGHT....
I HOPE IT IS HELPFUL
a car travels west for 240km in 4 hr what is the car velcity
what's the relationship between magnetism and birds?
Answer:
can detect axis of magnetic field
Explanation:
Answer:
Birds can see the Earth’s magnetic fields. They just found out that this ability is the result of a special protein in the birds’ eyes.
Explanation:
. Inside a laser apparatus, the stimulation and relaxation of electrons in atoms causes many photons with the same to be continuously emitted. When these photons are emitted, they travel between two surfaces to form the wave that is represented in the simulation. 2. This wave is the summation of all the photons being introduced with every oscillation, and as they continue to travel, the amplitude . This occurs because the photons are emitted in coherent fashion (constructive interference); however, amplitude when the photons overlap in an incoherent fashion (destructive interference). 3. In a laser device, a small portion of photons are permitted to escape (for use in an application). This is emulated in the simulation, where Damping represents the loss of photons. When Damping is set to Lots the amplitude compared to when Damping is set to None. 4. The generation of multiple wavelengths is possible in some laser producing systems, and the diffraction angle can be to allow the isolation of different wavelengths. 5. Finally, when the power of a laser is described, the wave property that is being referenced is a function of its frequency and .
Inside a laser apparatus, the stimulation and relaxation of electrons in atoms cause many photons with the same wavelength to be continuously emitted.
From the questions given, the main objective is to fill in the gaps and add important information where necessary. The missing information is highlighted in bold and underlined.
Inside a laser apparatus, the stimulation and relaxation of electrons in atoms cause many photons with the same wavelength to be continuously emitted. When these photons are emitted, they travel between two reflective surfaces to form the wave that is represented in the simulationThis wave is the summation of all the photons being introduced with every oscillation, and as they continue to travel, the amplitude increases.This occurs because the photons are emitted in a coherent fashion; however, amplitude when the photons overlap in an incoherent fashion.In a laser device, a small portion of photons are permitted to escape (for use in an application). This is emulated in the simulation, by settling the Damping to Lots such that amplitude remains relatively constant when compared to damping of None. (Damping represents the Loss of photons.The generation of multiple wavelengths is possible in some laser-producing systems, and the diffraction angle can be varied to allow the isolation of different wavelengths. Finally, when the power of a laser is described, the wave property that is being referenced is a function of its frequency and amplitude.Therefore, we can conclude that we've fully understood the concept of emission of photons and wavelength in a laser apparatus.
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Can I please get help with this?
which of these animals is classified as an annelid.
STARFISH
MILLIPEDE
EARTHWORM
SNAIL
Answer:
earthworm is classified as an annelid
Answer:
earthworm
Explanation:
What ocean resource may be harvested by vacuuming or trawling?
A. minerals
B. fish
C. fuels
Thank You
Answer:
B. fish
Explanation:
Vacuuming: to suck up something from the ocean. So in this case it would be sucking up whole fish with huge vacuums.
PLEASEE HELPP
A bullet is fired straight up from a gun with
a muzzle velocity of 166 m/s.
Neglecting air resistance, what will be its
displacement after 8.6 s? The acceleration of
gravity is 9.8 m/s
Answer in units of m.
Explanation:
u=166m/s, v=0(at it's highest point final velocity is zero), a=9.8m/s², t=8.6s
by the formula, S=ut+½at².
S=[166×8.6+½.×9.8×(8.6)²]. ...by calculation
S = 1427.6+362.404
S=1790.004m
hope this helps you.
Find out fastest to slowest will give brainlesa
Answer:
The fastest thing in the universe is the speed of light, the slowest is a hypothetical object that isn't moving relative to the entire universe.
The device that is made up of many single slits that diffract light and form a diffraction pattern , is called
Gọi là máy quang phổ kế
That's a diffraction grating.
Explain how the basic units are combined to give the derived units of force, velocity and pressure and work
#Force
[tex]\\ \sf\longmapsto Force=Mass\times Acceleration [/tex]
[tex]\\ \sf\longmapsto Force=kg m/s^2[/tex]
[tex]\\ \sf\longmapsto Force=Newton (N)[/tex]
#Velocity
[tex]\\ \sf\longmapsto Velocity=\dfrac{Displacement}{time}[/tex]
[tex]\\ \sf\longmapsto Velocity=m/s[/tex]
#Work
[tex]\\ \sf\longmapsto Work=Force\times Displacement [/tex]
[tex]\\ \sf\longmapsto Work=Nm[/tex]
[tex]\\ \sf\longmapsto Work=Joules(J)[/tex]
what supports a white dwarf against the crush of gravity?
Answer: In particular, electron degeneracy pressure is what supports white dwarfs against gravitational collapse, and the Chandrasekhar limit (the maximum mass a white dwarf can attain) arises naturally due to the physics of electron degeneracy.
Explanation:
Degeneracy pressure keeps a white dwarf from collapsing under its own gravity.
What is Degeneracy pressure?Electron degeneracy pressure is a particular manifestation of the more general phenomenon of quantum degeneracy pressure.
The maximum mass that a white dwarf can support against collapse is 1.4 solar masses due to the Chandrasekhar limit.
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A truck brakes from 15 m/s to 2 m/s in 15 seconds. What is its acceleration?
A projectile is shot from the edge of a cliff 125 m above the ground level with an initial speed of 105 m/s at an angle of 37 degrees with the horizontal. (a) Determine the vertical velocity final. (it is not - vi, since we are on a cliff 125m up)
A.)80.2 m/s
B.)-80.2 m/s
C.)40.2 m/s
D.)-40. 2 m/s
Answer:
alright we have to find the initial velocity of the projectile which was shot from the edge of a cliff 125m above ground level with the initial speed being equivalent to 105 m/s at an angle of 37 degrees i would assume the answer to be C. hope this helps im a tad rusty at this subject
Explanation:
Is 53cm bigger than 5m?
No, 53cm is less than 5m.
What acceleration would you expect a 100 kg individual to experience from a 1000N force?
Answer: 10 m/2^2
F=ma
Explanation:
Force = 1000N
1 N is 1 (kg*m/s^2)
Mass = 100kg
F=ma
a = F/m
a = (1000kg*m/s^20/(100kg)
a = 10 m/s^2
What two things do you need to know to calculate work
Answer:
Work equals to force times distance
Explanation:
the equation would be work=force*distance
what is sound wave and examples
★ « what is sound wave and examples » ★
A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium (such as air, water, or any other liquid or solid matter) as it propagates away from the source of the sound. The source is some object that causes a vibration, such as a ringing telephone, or a person's vocal chords.hope it helps
Accurate _______ is needed in a valid experiment.
Hurry, I need help.
Answer: repeatable
Explanation: Accurate repeatable is needed in a valid experiment. I think
can you predict a dark room is empty or not with the help of sound? how?
please help me ।
50 points
Answer:
Sound waves can reflect off surfaces. We hear sound reflections as echoes. Hard, smooth surfaces are particularly good at reflecting sound. This is why empty rooms produce lots of echoes.
Soft, rough surfaces are good at absorbing sound. This is why rooms with carpets and curtains do not usually produce lots of echoes.
Explanation:
With this information, you'd be able to come up with your answer,
Hope this helps!
yea, by sound enegy example if uh speak a your sound knock on the object and react to your ears
If you ran at an average speed of 8 m/s, how long would it take you to run 200 meters?
what effects does ionizing radiation have on the atmosphere
who invented the first telescope
Answer:
Hans Lipperhey
....................................
What does a higher value of k and a lower value of k tell about the strength of the spring? (Hint: In which case is it soft or stiff?)
Answer:
' In layman's terms, the k variable in Hooke's law (F = -kx) indicates stiffness and strength. The higher the value of k, the more force is needed to stretch an object to a given length. This value is dependent on the object's material alongside its shape and Proportons
Explanation:
The atomic mass of sodium is 0.0230 kg/mole. How many moles are in 1.59 kg of sodium?
[tex]\\ \sf\longmapsto No\;of\:moles=\dfrac{Given\:mass}{Atomic\:mass}[/tex]
[tex]\\ \sf\longmapsto No\:of\:moles=\dfrac{1.59}{0.0230}[/tex]
[tex]\\ \sf\longmapsto No\:of\:moles=69.13moles[/tex]
What do "Newton's apple" and the moon have in common?
Answer:
Both these motions are caused by the Gravitational force of earth.
Explanation:
Both these motions are caused by the Gravitational force of earth.
The graph shows how the acceleration due to gravity inside and outside of Earth varies with radial distance away from Earth’s center of mass. Earth is assumed to be a perfect sphere of constant density.
a) Write the relation between "g" and "r" at region A.
b) Write the relation between "g" and "r" at region B.
up down all around
yuh i said
up down all around
List the three main regions of the cells in the human body. Describe the main functions of each region.