Answer:
B. Electrical energy transforms into mechanical energy.
Explanation:
In the case when the wire loop transforms between the two permanent magnets in a generator so here the electrical energy turns to mechanical energy as there is a working principle behind the generator that the electrical energy would turns into mechanical energy
Therefore as per the given scenario, the option b is correct
And, the rest of the options are wrong
The Sun creates energy through a series of steps known as:
The Sun creates energy through a series of steps known as nuclear fusion.
What is nuclear fusion?Nuclear fusion is the process by which atomic nuclei combine to form heavier nuclei, releasing a tremendous amount of energy in the process. In the Sun, this process occurs in the core, where the temperature and pressure are high enough to overcome the electrostatic repulsion between positively charged atomic nuclei. Hydrogen atoms are fused together to form helium atoms, releasing energy in the form of light and heat.
The process of nuclear fusion in the Sun can be broken down into several steps.
The first step involves the collision of two hydrogen atoms to form a deuterium atom, releasing a positron and a neutrino in the process. The deuterium atom can then combine with another hydrogen atom to form helium-3, releasing a gamma ray. Finally, two helium-3 atoms can combine to form helium-4, releasing two protons and releasing even more energy in the process.
Therefore, the process of nuclear fusion in the Sun is a complex series of steps that releases a tremendous amount of energy and is responsible for the light and heat that we receive on Earth.
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Organisms require certain water temperatures to do what 2 things?
Answer: Temperature is also important because of its influence on water chemistry. ... Warm water holds less dissolved oxygen than cool water, and may not contain enough dissolved oxygen for the survival of different species of aquatic life. Some compounds are also more toxic to aquatic life at higher temperatures.
Explanation:
1. How are hot and cold packs constructed so that the reaction takes place only when needed?
2. Hypothesize two ways that you could change the amount of heat given off or absorbed in these packs.
Answer:
1.They are constructed of a large pouch containing a dry chemical plus an inner pouch of water. The hot/cold pack is activated by breaking the seal on the pouch of water and shaking the pack vigorously. This action mixes the water
help meeeeeeeeeeee
what is the rheostat and what its ruleeee??
Answer:
Rheostat, adjustable resistor used in applications that require the adjustment of current or the varying of resistance in an electric circuit. The rheostat can adjust generator characteristics, dim lights, and start or control the speed of motors.
Explanation:
If 10.0 J of work are required to transfer 2.00 coulombs of
charge from point X to point Y in an electric field, what is the
difference in potential between these two points?
Answer: 5V
Explanation: because 2 goes into 10, five times. Also I know it’s correct cuz I got it right in my quiz
The difference in potential between these two points is 5 V.
Electric potential between the two points
The electric potential between two points is the work done in taking a unit postive charge from one point to another.
The difference in potential between these two points is calculated as follows;
W = qV
V = W/q
V = 10/2
V = 5 V
Thus, the difference in potential between these two points is 5 V.
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Identify the palindromic base sequence in the DNA donor molecule shown.
Answer the pic above
Nonsense/incorrect = auto report...
Explanation:
Since a double helix is formed by two paired antiparallel strands of nucleotides that run in opposite directions, and the nucleotides always pair in the same way (adenine (A) with thymine (T) in DNA or uracil (U) in RNA; cytosine (C) with guanine (G)), a (single-stranded) nucleotide sequence is said to be a palindrome
Which of the following elements is commonly found at the core of an electromagnet?
Lead
Cobalt
Iron
100 Points!!!!
The electric field strength E is measured in units of: Coulomb/second Joules/Coulomb Coulomb/volt Newtons/Coulomb
Answer:
Newtons/Coulomb
Explanation:
Electric field exerts a force on an electric charge. So its unit is force divided by charge; i.e. Newtons/Coulomb
A SOUND WAVE WITH ITS CHARACTERISTIC PATTERN OF COMPRESSIONS AND
RAREFACTIONS IS SHOWN BELOW. A CENTIMETER RULER IS INCLUDED BELOW THE
PATTERN THE WAVELENGTH OF THIS SOUND WAVE IS HOW MANY cm?
A 2 cm
B 3 cm
C 35 cm
D. 85 cm
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0
1
2
3
4
5
6
7
8
9
10
Answer:
The wavelength is 1.7cm
Explanation:
Given
See attachment for wave pattern
Required
What is the wavelength
To do this, we simply calculate the distance between successive waves (see attachment 2 for point A and B)
Using the ruler, points A and B are at:
[tex]A = 0.6cm[/tex]
[tex]B = 2.3cm[/tex]
So, the wavelength is:
[tex]\lambda = B - A[/tex]
[tex]\lambda = 2.3cm - 0.6cm[/tex]
[tex]\lambda = 1.7cm[/tex]
If approximated, the wavelength is:
[tex]\lambda \approx 2cm[/tex]
A window cleaner has a weight of 839.86 N. The window cleaner is cleaning windows on the 4th floor of a building at a height of 12 m. How much potential energy does the window cleaner have?
Answer:
E = 10078.32 J
Explanation:
Given that,
The weight of a window cleaner, F = 839.86 N
The window cleaner is cleaning windows on the 4th floor of a building at a height of 12 m.
We need to find the potential energy of the window cleaner. We know that the potential energy of an object is given by :
E = mgh
Put values,
E = 839.86 × 12
E = 10078.32 J
So, the window cleaner will have 10078.32 J of potential energy.
Some people say it is rare to get HIV from a blood transfusion in the United States. True or false? Why?
Answer:
False
Explanation:
Because there is a 90% chance of contracting HIV from a blood transfusion
How can red giants be so bright when they are so cool
Answer:
The star's luminosity rises above its previous level. Because it is so cool, the surface will be red, and it will be much farther away from the center than it was during the earlier stages of star evolution. Despite its lower surface temperature, the red giant has a large surface area, which makes it very luminous.
use the following terms in the same sentence magnet magnetic force and magnetic pole
Answer:
The electrically charged gas particles are affected by magnetic forces.
For the past eleven years, the Sun's north geographic pole has also been home to its north magnetic pole
Explanation:
Which of the following is one dimensional
A.
acceleration
B.
velocity
C.
both velocity and acceleration
D.
speed
Answer:
both velocity and acceleration
Explanation:
answer May be 3
How much force is required to move a electron through an electric field with strength of 1.375 x 10^19 N/C?
Answer:
The magnitude of the force required to move the electron through the given field is 2.203 N
Explanation:
Given;
The field strength of the electron, E = 1.375 x 10¹⁹ N/C
charge of electron, q = 1.602 x 10⁻¹⁹ C
The magnitude of the force required to move the electron through the given field is calculated as follows;
F = Eq
F = (1.375 x 10¹⁹ N/C) (1.602 x 10⁻¹⁹ C)
F = 2.203 N
Therefore, the magnitude of the force required to move the electron through the given field is 2.203 N
What is the force required to accelerate an object with a mass of 5 kg and an acceleration of
2 m/s22
two pins attracted by a bar magnet maintain a distance between their ends why??
Does Ganymede have phases?
Answer:
yes An analysis published in 2014, taking into account the realistic thermodynamics for water and effects of salt, suggests that Ganymede might have a stack of several ocean layers separated by different phases of ice.
Explanation:
Your spaceship has run out of fuel and comes to a halt halfway between the earth and the moon. Will you and your spaceship (a combined mass of 5000 kg) fall towards the moon or towards the earth? Show calculations to support your answer.
Answer:
moon
Explanation:
cause yes
How much voltage is required to run 0.054 A of current through a 15 2
resistor? Use AV = IR.
O A. 0.81 V
O B. 1.2 V
O c. 2.8x10²v
O D. 3.6 x 10-3 v
Answer:
The correct option is (a).
Explanation:
Given that,
Current flowing through the resistor, R = 0.054 A
Resistance of the resistor, R = 15 ohms
We need to find the voltage. We know that, Ohm's law gives the relation between voltage, current and resistance i.e.
V = IR
Put all the values,
[tex]V=0.054 \times 15\\\\V=0.81\ V[/tex]
So, the required voltage is equal to 0.81 volts.
If the vehiche has a speed of 24.0 m/s at point a what is the force of the track on the vehicle at this point?
Question:
A roller-coaster vehicle has a mass of 500 kg when fully loaded with passengers. If the vehicle has a speed of 20.0 m/s at point A, what is the force exerted by the track on the vehicle at this point?
See attachment
Answer:
33700 Newton
Explanation:
Given
[tex]m = 500kg\\v = 24.0m/s\\r=10m[/tex]
First, we determine the forces acting on mass m.
They are: the force exerted by the track (Fn) and the weight of the vehicle (W)
So, the net force is:
[tex]F_{net} = F_n - W[/tex]
[tex]W=mg[/tex]
So:
[tex]F_{net} = F_n - mg[/tex]
Make Fn the subject
[tex]F_n = F_{net} + mg[/tex]
Fnet is calculated as:
[tex]F_{net} = F_c = \frac{mv^2}{r}[/tex] --- i.e. the centripetal force
So:
[tex]F_n = F_{net} + mg[/tex]
[tex]F_n = \frac{mv^2}{r} + mg[/tex]
[tex]F_n = \frac{500 * 24^2}{10} + 500 * 9.8[/tex]
[tex]F_n = 28800 + 4900[/tex]
[tex]F_n = 33700N[/tex]
A 15-meter length of aluminum wire is at 20 degrees C. The radius of the wire is 4.2 x 10-4 meters. What’s the resistance of the wire?
Answer:
Idek figure it out
Explanation:
Why u so lazy?
A marble was sent down a ramp into a solo cup. The first time the solo cup moved 20 cm. The second time the solo cup moved 24 cm. The third time the cup moved 16 cm. What is the average movement of the cup?
Answer:
20
Explanation:
The average of the movement is 20+24+16/2 = 20cm
Answer:
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Explanation:
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Which of the following is one dimensional
A.
acceleration
B.
velocity
C.
both velocity and acceleration
D.
speed
Answer:
A.
Explanation:
Speed and velocity both require more than one component to be solved but acceleration is independant.
Already moving at 8 m/s , wendy pushes yasmine in her sled with a diagonal 300.0 n force. th coefficient of kinetic friction between yasmine's sled and the ground is 0.30. how fast will yasmine be going after wendy pushes him for 15.00m
Answer:
You must exert a force of 4.5 N on a book to slide it across a table.
Explanation:
A 1,100kg car is going at 22 m/s. What force is needed to stop it in 20
seconds?
A 1,100 kg car is going at 22 m/s. Force is needed to stop it in 20
seconds is 1210 N.
What is force?A force is an effect that can alter an object's motion according to physics. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.
Using equation of motion,
v = u + at
0 = 22 + a.20
a = 1.1 m/sec²
force = mass.acceleration
force = 1100.(1.1)
force = 1210 N.
A 1,100 kg car is going at 22 m/s. Force is needed to stop it in 20
seconds is 1210 N.
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One major concern of acid rain is that it can -
A. change the pH of soil and lakes
B. burn holes in the skin of humans and animals
C. it makes vegetation grow out of control
D. it turns trees red
Answer:
C. it makes vegetation grow out of control
Explanation:
please mark this answer as brainliest
Assume you have a person with a mass of 65 kg riding a skateboard down a ramp. While they are
still 4.8 m high, they are traveling at a speed of 8.0 m/s.
a) Calculate the Eg. [write here]
b) Calculate theEk [write here]
c) Calculate the Etotal. [write here)
Answer:
a) Eg = 3,060.72 j
b) Ek = 2,080 j
c) Etotal = 5,140.72 j
Explanation:
The given parameters are;
The mass of the person, m = 65 kg
The height of the person, h = 4.8 m
The speed of the person, v = 8.0 m/s
a) The gravitational potential energy, [tex]E_g[/tex] = m·g·h
Where;
g = The acceleration due to gravity ≈ 9.81 m/s²
∴ Eg = 65 kg × 9.81 m/s² × 4.8 m = 3,060.72 j
Eg = 3,060.72 j
b) The kinetic energy, Ek = 1/2·m·v²
∴ Ek = 1/2 × 65 kg × (8.0 m/s)² = 2,080 j
Ek = 2,080 j
c) The constant total Mechanical Energy, Etotal = Eg + Ek
∴ Etotal = 3,060.72 j + 2,080 j = 5,140.72 j
Etotal = 5,140.72 j.
Using ideas of forces explain why the parachutist reaches terminal velocity and why opening the parachute reduces the terminal velocity
notes of Vibrational Motion or what they are
Answer:
Vibration means quickly moving back and forth (or up and down) about a point of equilibrium. ... Something that is vibrating may shake at the same time. If it vibrates in a regular way, it may produce a musical note because it can make the air vibrate. This vibration will send sound waves to the ear and to the brain.
Explanation:
Vibration, periodic back-and-forth motion of the particles of an elastic body or medium, commonly resulting when almost any physical system is displaced from its equilibrium condition and allowed to respond to the forces that tend to restore equilibrium.