The electric field of 0.070 V/m is applied to the 2.3-mm-diameter iron wire, producing an electron current.
Explanation:
Let's calculate the electron current.
What is an electron current?
An electric current is defined as the flow of electrons through a wire or any other material that allows electric charges to pass through it. When an electric field is applied to a metal wire, it causes a flow of electrons. The electron flow is referred to as electron current, and it is expressed in Amperes (A).
Solution:
The radius of the iron wire is 1.15 mm, which is half of the diameter. The radius of the wire will be used to determine its cross-sectional area. A = πr² = π(1.15 x 10⁻³ m)² = 4.15 x 10⁻⁶ m²
The current flowing through the wire is calculated using the equation current density = conductivity × electric field J = σE, where J = current densityσ = conductivity E = electric field Rearranging the equation gives I = JA, where I = current flowing through the wire J = current density A = cross-sectional area of the wireσ = 5.96 x 10⁷ (Ωm)⁻¹ (conductivity of iron)E = 0.070 V/m (electric field)
Substituting the values, we have J = σE = 5.96 x 10⁷ (Ωm)⁻¹ × 0.070 V/m = 4.17 x 10⁶ A/m²I = JA = (4.17 x 10⁶ A/m²) × (4.15 x 10⁻⁶ m²) = 17.3 A
The electron current that flows through the 2.3-mm-diameter iron wire under the influence of a 0.070 V/m electric field is 17.3 A.
To known more about electric field visit:
https://brainly.com/question/15800304
#SPJ11
Bart ran 5000 meters from the cops and an average speed of 6 meters/second before he got caught. How long did he run?
1. A car starts from the rest on a circular track with a radius of 300 m. It accelerates with a constant tangential acceleration of a = 0.75 m/s?. Determine the distance traveled and the time elapsed"
Starting from rest on a circular track with a radius of 300 m and a constant tangential acceleration of 0.75 m/s², the car will travel a distance of approximately 0.2119 meters or 21.19 centimeters in 0.75 seconds.
To determine the distance traveled and the time elapsed by the car starting from rest on a circular track with a radius of 300 m and a constant tangential acceleration of 0.75 m/s², we can use the equations of circular motion.
The tangential acceleration is the rate of change of tangential velocity. Since the car starts from rest, its initial tangential velocity is zero (v₀ = 0).
Using the equation:
v = v₀ + at
where v is the final tangential velocity, v₀ is the initial tangential velocity, a is the tangential acceleration, and t is the time, we can solve for v:
v = 0 + (0.75 m/s²) * t
v = 0.75t m/s
The tangential velocity is related to the angular velocity (ω) and the radius (r) of the circular track:
v = ωr
Substituting the values:
0.75t = ω * 300
Since the car starts from rest, the initial angular velocity (ω₀) is zero. So, we have:
ω = ω₀ + αt
ω = 0 + (0.75 m/s²) * t
ω = 0.75t rad/s
We can now substitute the value of ω into the equation:
0.75t = (0.75t) * 300
Simplifying the equation gives:
0.75t = 225t
t = 0.75 seconds
The time elapsed is 0.75 seconds.
To calculate the distance traveled (s), we can use the equation:
s = v₀t + (1/2)at²
Since the initial velocity (v₀) is zero, the equation becomes:
s = (1/2)at²
s = (1/2)(0.75 m/s²)(0.75 s)²
s = (1/2)(0.75 m/s²)(0.5625 s²)
s = 0.2119 meters or approximately 21.19 centimeters
Therefore, the car travels a distance of approximately 0.2119 meters or 21.19 centimeters.
To know more about acceleration refer here:
https://brainly.com/question/30660316#
#SPJ11
Which sport requires the least amount of agility? HELLLLPPP
1.volley ball
2.golf
3.football
4.basketball
Answer:
golf
Explanation:
it's less physical strength in more of you hitting the ball with whatever the stick is called
A 50kg skater is moving due east at a speed of 3m/s before colliding into another skater of mass 60kg moving in the opposite direction at a speed of 7m/s. After the collision, the two skaters hold on to each other. In which direction will they move? What is the speed of the two skaters?
An elevator in a hotel starts at ground level. It rapidly moves up to the third floor, where it stops to unload passengers. The elevator then descends to the basement at a slower speed than before.
Identify whether or not the graph correctly represents the story. Explain your answer in 1-2 sentences.
The graph does not correctly represent the story because the elevator descends to the basement at a faster speed than before.
What is the upward motion of an elevator?
An elevator going up shows uniform linear motion, as elevator will move in a straight line with a constant speed.
This type of motion can be shown using a straight line graph.
The downward motion of an elevator descending or moving downwards can be explained as follows;
An elevator moving downwards shows uniform linear motion, as elevator will move in a straight line with a constant speed.
From the given graph we can conclude the following;
During the upward motion of the elevator, at point A, the elevator moved up gradually.At point B the elevator maintained a constant speedduring the downward motion at point C, the moved down more quickly than during the upward motion.Thus, from the greater steepness of the downward motion of the elevator than the upward motion, we can conclude that the elevator descends to the basement at a faster speed than before.
Learn more about elevators here: https://brainly.com/question/28099673
#SPJ1
Oketch's house has a septic tank with dimensions as shown below. 6m 2m 3m a) What is the capacity of the septic tank in; (1) m (ii) in litres cm3
\( \large \mathfrak{Solution : }\)
Capicity of the septic tank is :
6m × 2m × 3m24 m³(i) capicity = 24 m³
(ii) capicity = 24 × 1000000 = 24000000 litres (cm³)
A 2.0 kg yo-yo swings in a vertical circle on the end of a 1.0 m string. At the bottom of its swing the yo-yo has a speed of 4.0 m/s. What is the force of tension in the string at this point?
The Force of tension in the string is 32 N.
To calculate the Force of tension on the string, we use the formula below.
Formula:
T = (mv²/r)...................... Equation 1Where:
T = Tension in the stringm = mass of the yo-yov = speed of the yo-yor = radius of the circleFrom the question,
Given:
m = 2 kgr = 1 mv = 4 m/sSubstitute these values into equation 1
T = 2(4²)/1T = 32 T = 32 N.Hence, The Tension in the string is 32 N
Learn more about tension here: https://brainly.com/question/25005914
: Prove that the following paraboloid coordinate system (u, v, ϕ):
x = u.v cosϕ
y = u.v sinϕ
z = 1/2 (u2 - v2)
is orthogonal, and then find the following:
1. The scale factors
2. Gradient
3. Divergent
4. Curl
5. Laplacian
The given paraboloid coordinate system (u, v, ϕ) with x = u.v cosϕ,
y = u.v sinϕ , z = 1/2 (u2 - v2) is orthogonal. The gradient is ∇f = (∂f/∂u) e_u + (∂f/∂v) e_v + (∂f/∂ϕ) e_ϕ ; divergent is ∇²f = ∇ · (∇f) ; curl is (∇ x) and laplacian is (∇²).
We can prove that the paraboloid coordinate system (u, v, ϕ) is orthogonal, by computing the dot products of the basis vectors. The basis vectors in this coordinate system are given by:
e_u = (∂x/∂u, ∂y/∂u, ∂z/∂u) = (v cosϕ, v sinϕ, u)
e_v = (∂x/∂v, ∂y/∂v, ∂z/∂v) = (u cosϕ, u sinϕ, -v)
e_ϕ = (∂x/∂ϕ, ∂y/∂ϕ, ∂z/∂ϕ) = (-u.v sinϕ, u.v cosϕ, 0)
By Taking the dot products, we find that e_u · e_v = 0, e_v · e_ϕ = 0, and e_ϕ · e_u = 0. This proves that the basis vectors are mutually perpendicular, and therefore, the coordinate system is orthogonal.
Next, we can calculate the gradient (∇) in this coordinate system. The gradient of a scalar function f(u, v, ϕ) is given by:
∇f = (∂f/∂u) e_u + (∂f/∂v) e_v + (∂f/∂ϕ) e_ϕ
The divergence (∇ ·) and curl (∇ x) can be computed using the standard formulas in terms of the basis vectors. Finally, the Laplacian (∇²) can be obtained by taking the divergence of the gradient:
∇²f = ∇ · (∇f)
Thus, By evaluating these operations in the given coordinate system using the appropriate partial derivatives, we can determine the gradient, divergent, curl, and Laplacian for any scalar function in the (u, v, ϕ) coordinates.
To know more about orthogonal system here
https://brainly.com/question/31955761
#SPJ4
What is the period of a wave that travels through a spring at 2.5 m/s and has a wavelength of 3m ?
Answer:
Explanation:
f
=
v
λ
where v is the velocity of the wave
λ
is the wavelength.
With friction turned on, let the skater do one back-and-forth on the half pipe. Use
the grid. Does he reach the same height as when he started?
The skater does indeed reach the same height on either side of the track With friction turned on.
The only thing that will change is how long it takes for the skater to come to a rest during the scenario. Only the skater's initial height when placed onto the track affects the overall energy, which remains constant.Potential energy is transformed into kinetic energy as the skateboarder descends the ramp. Some of the system's energy is changed into heat energy by friction. The energy cannot be returned to the system's potential or kinetic energy once the kinetic energy has been transformed into heat.For more information on friction kindly visit to
https://brainly.com/question/13000653
#SPJ1
A 1.5 kg ball is kicked with an initial velocity of 26 m/s at an angle of 30 degrees above the horizontal. How far did the ball go before returning to the ground? Answer in meters.
The maximum height travelled by the ball before returning to the ground is 8.62 m.
What is the maximum height travelled by the ball?
The maximum height travelled by the ball before returning to the ground is calculated by applying the following kinematic equation as shown below.
H = (u²sin²θ) / 2g
where;
u is the initial velocity of the ballθ is the angle of projection of the ballg is acceleration due to gravityH = (26² (sin 30)²) / (2 x 9.8)
H = 8.62 m
Thus, the maximum height travelled by a projectile depends on the initial velocity and angle of projection.
Learn more about maximum height here: https://brainly.com/question/12446886
#SPJ1
If a solenoid were suspended by a string so that it could rotate freely, could it be used as a compass when it carried a direct current? Could it also be used if the current were alternating in direction?
Yes, a solenoid suspended by a string can be used as a compass when it carries a direct current. This is because the solenoid creates a magnetic field when current flows through it.
The magnetic field aligns with the Earth's magnetic field, causing the solenoid to point in the direction of magnetic north. However, if the current were alternating in direction, the solenoid would constantly change its orientation and would not be reliable as a compass.
This magnetic field interacts with Earth's magnetic field, causing the solenoid to align itself with the magnetic north and south poles, acting as a compass.
Consequently, a solenoid with an alternating current would not function effectively as a compass.
Learn more about solenoid here:
https://brainly.com/question/15504705
#SPJ11
Tell me about your favorite science experiment. Give me a detailed account of the experiment and what you like about it.
Answer:
nngh have
bjruh hjrhhj be rnrnnrnrnnnrnjrjnnnnnnnnrnrn n n and I was nrn
Explanation:
jbbbbbhhhjjnnnnnnnnnnjhvcc
Explanation:
what is the largest and smallest possible resultant force of two force with magnitude of 41N and 14N
Explanation:
6gtvctyvyvyvyvyfcfufy
A sound wave has a frequency of 250 Hz and a wavelength of 1.3 m. Calculate the speed of this waves.
Answer:
325 m/s
Explanation:
Frequency of the wave = 250 Hz
wavelength of the wave = 1.3 m
From the wave formula;
v = λf
v = wave speed
λ = wavelength
f= frequency
v = 250 * 1.3 = 325 m/s
Milk of magnesia is a slippery, bitter-tasting white substance that is commonly used as a laxative. If the pH of milk of magnesia is between 10 and 11, it can best be described as a
Answer:
a moderate base
Explanation:
Milk of magnesia is popularly known as magnesium hydroxide. Magnesium hydroxide Mg(OH)₂ is used as an anti-acid in toothpaste and medically as a mild laxative.
Its pH values range between 10- 11 on the pH scale.
A solution with pH value of 7 is neutral(i.e. neither acidic nor basic.
A pH value which is less than 7 is acidic while a pH value greater than 7 is basic.
For a pH value between 12 -14 on the pH scale is said to be a strong base.
Since Milk of magnesia Mg(OH)₂ pH values ranges between 10- 11 on the pH scale, it is known to be moderately basic.
NEED HELP ON THIS ASAP!! IN THE
NEXT HOUR PLEASE!!
A company that produces hair dryers buys some of the components, but it makes the heating element, which it can produce at the rate of 830 per day. Hair dryers are assembled daily, 248 days a year, at
The company should continue to monitor its production process to ensure that it is efficient and able to meet demand.
A company produces hair dryers by buying some of the components but manufacturing the heating element which they can produce at the rate of 830 per day. Hair dryers are assembled daily, 248 days a year, at a rate of 2400 per day. The company has 7,000 hair dryers in stock and has a production backlog of 1,000 units. How many days will it take to eliminate the backlog if production is not changed and no new orders are received?The current production rate of the hair dryers is 2,400 per day and there is a production backlog of 1,000 units.
Therefore, it will take 1000/2400 = 0.42 days to eliminate the production backlog with the current production rate. If no new orders are received, the company will be able to produce 248 days * 2400 = 595,200 hair dryers in a year.Therefore, the company needs to ensure that its production backlog does not exceed 595,200 units. It also needs to ensure that it has a sufficient supply of heating elements to continue production. Overall, the company should continue to monitor its production process to ensure that it is efficient and able to meet demand.
To know more about company click here:
https://brainly.com/question/30532251
#SPJ11
A runner is jogging in a straight line at a steady vr= 7 km/hr. When the runner is L= 7.6 km from the finish line, a bird begins flying straight from the runner to the finish line at vb= 28 km/hr (4 times as fast as the runner). When the bird reaches the finish line, it turns around and flies directly back to the runner.
What cumulative distance does the bird travel? Even though the bird is a dodo, assume that it occupies only one point in space (a “zero” length bird), travels in a straight line and that it can turn without loss of speed.
Answer in units of km.
After this first encounter, the bird then turns around and flies from the runner back to the finish line, turns around again, and flies back to the runner. The bird repeats the back and forth trips until the runner reaches the finish line. How far does the bird travel from the beginning (including the distance traveled to the first encounter)?
Answer in units of km.
Answer:
See answers below
Explanation:
Rate of runner 7 km/hr
Bird = 28 km/ hr
TIME bird flies to finish line 7.6 km / 28 km/hr
the runner covers distance in this time :
7.6 / 28 * 7 km = 1.9 km
this leaves 7.6 - 1.9 km = 5.7 km to the finish
..... the bird turns around
now the two have a closing speed of 28 + 7 = 35 km/hr to cover
this 5.7 remaining km
time to meet = 5.7 km / 35 km/hr = .16285 hr
so the bird flies at 28 km/ hr for this remaining time
= 4.56 km added to the original 7.6 km before turning around = 12.16 km
Total time for the runner to finish 7.6 km / 7 km/hr = 1.086 hr
the bird is flying at 28 km/hr for this entire time = 30. 4 km
how does water cycle it is related to particulate nature of matter?
Answer:
The water cycle is a never-ending cycle, driven by the sun, which warms the water, giving the particles more energy and causing them to evaporate to form water vapour (a gas). As the particles rise higher, they cool down and condense (turn back into a liquid) into a cloud.
The process by which water cycle is related to particulate nature of matter is discussed above.
What is water cycle?The water cycle or hydrologic cycle or the hydrological cycle, is a biogeochemical cycle that describes the continuous movement of water on, above and below the surface of the Earth.
Given is to find how does water cycle is related to particulate nature of matter.
The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes. Liquid water evaporates into water vapor, condenses to form clouds, and precipitates back to earth in the form of rain and snowTherefore, the process by which water cycle is related to particulate nature of matter is discussed above.
To solve more questions on water cycle , visit the link -
brainly.com/question/30098550
#SPJ2
what is the melting point of sand
explain why you cannot use a pump like the one at the right to lift water up to the 3rd floor of an apartment complez
For lifting water up to the 3rd floor of an apartment complex, a more powerful pump or a pump with a different design would be required.
The pump shown in the image is a centrifugal pump, which works by creating a pressure differential to move water from a lower level to a higher level. However, there are limitations to the height that this type of pump can lift water.
One limitation is due to the weight of the water itself, which creates a pressure at the bottom of the pump that must be overcome by the pump's pressure output. As the height of the lift increases, the weight of the water column increases, requiring more energy from the pump to lift the water.
Another limitation is the maximum pressure that the pump can generate, which is typically limited by the strength of the pump materials and the design of the impeller. When the pump reaches its maximum pressure, it will not be able to lift water any higher, regardless of the height of the building.
Therefore, for lifting water up to the 3rd floor of an apartment complex, a more powerful pump or a pump with a different design would be required.
Learn more about centrifugal here:
https://brainly.com/question/17167298
#SPJ11
What is the initial (starting) volume of water in the graduated cylinder? ______mL
The initial (starting) volume of water in the graduated cylinder can easily be determined by observing the level of water on the cylinder through the water's meniscus.
The initial volume of water in the cylinder during a laboratory experiment is determined by observing the level of water on the cylinder.
A measuring cylinder can be graduated by 1 mL and can measure up 100 mL, 150 mL, 200 mL or more.
To determine the accurate measurement of initial volume of water in the graduated cylinder, this measurement should be taken as follows;
Read off the position of the water meniscus at eye levelAvoid shaking the water before taking the measurementThus, the initial (starting) volume of water in the graduated cylinder can easily be determined by observing the level of water on the cylinder through the water's meniscus.
Learn more here:https://brainly.com/question/13344450
Which of the following types of stars had the smallest initial mass?
what is the velocity of the student?how much kinetic energy does the student have while sprinting?what is the mechanical energy of the student?
Given data:
* The mass of the student is m = 65 kg.
* The distance covered by the student is d = 100 m.
* The time taken by the student to cover the distance is t = 12 seconds.
Solution:
(a). The velocity of the student is,
\(\begin{gathered} v=\frac{d}{t} \\ v=\frac{100}{12} \\ v=8.33\text{ m/s} \end{gathered}\)Thus, the velocity of the student is 8.33 meters per second.
(b). The kinetic energy of the student is,
\(\begin{gathered} K=\frac{1}{2}mv^2 \\ K=\frac{1}{2}\times65\times(8.33)^2 \\ K=2255.14\text{ J} \end{gathered}\)Thus, the kinetic energy of the student is 2255.14 J.
(c). The mechanical energy of the student is the energy acquired by the student during its motion.
Thus, the mechanical energy of the student is 2255.14 J.
an open-closed organ pipe is 58.0 cm long. an open-open pipe has a second harmonic equal to the fifth harmonic of the open-closed pipe. how long is the open-open pipe?
The length of the open-open pipe is 145 cm. When an open-closed organ pipe is 58.0 cm long. an open-open pipe has a second harmonic equal to the fifth harmonic of the open-closed pipe.
Given data :Length of open-closed organ pipe = 58.0 cm. We have to find: Length of open-open pipe To solve the problem, let’s first recall the formula for the frequency of a pipe and the harmonics of the pipe :
F = nv/2L where, F = frequency of the pipe v = speed of sound in air L = length of the pipe (open-closed or open-open) n = 1, 2, 3, 4, …. for the fundamental frequency and harmonics n = 1 for open-closed organ pipe n = odd numbers for open-open organ pipeLet’s begin by finding the fundamental frequency of the open-closed organ pipe:
f1 = v/2L ....(1)Putting the given values in equation (1), we get:f1 = v/2L = v/2 x 0.58 = v/1.16 cm³/s
Let’s find the frequency of the 5th harmonic of the open-closed organ pipe: f5 = 5f1....(2)
Putting the value of f1 in equation (2), we get: f5 = 5 x f1 = 5 x v/1.16 cm³/s = 5v/1.16 cm³/s.
Now, let’s find the frequency of the 2nd harmonic of the open-open organ pipe:f2 = 2f1....(3)Putting the value of f1 in equation (3), we get:f2 = 2 x f1 = 2 x v/2L cm³/s= v/L cm³/sLet the length of the open-open organ pipe be L1.Substituting the given values of n and f5 in the formula of frequency for an open-open organ pipe:n = 5 and f5 = f2 => f2 = 5v/1.16 cm³/s=> f2 = v/L1 cm³/s ….(4)From equations (3) and (4), we have:v/L1 = v/L cm³/s=> L1 = 5/2 x L = 5/2 x 58 = 145 cm
Therefore, the length of the open-open pipe is 145 cm.
To know more about harmonic visit
https://brainly.com/question/31970438
#SPJ11
an object is placed at dist 25cm in front of concave mirror and image has magnification of -2 .find focal length
Answer:
Given,
Object distance, u=25cm
Focal length, f=20cm
From mirror formula
f
1
=
v
1
+
u
1
−20
1
=
v
1
−
25
1
⇒
v
1
=−
20
1
+
25
1
v=100cm
The image will be real, inverted magnified
Explanation:
Given,
Object distance, u=25cm
Focal length, f=20cm
From mirror formula
f
1
=
v
1
+
u
1
−20
1
=
v
1
−
25
1
⇒
v
1
=−
20
1
+
25
1
v=100cm
The image will be real, inverted magnified
15. A ruby-throated hummingbird beats its wings at a rate of about 70 wing beats per
second.
What is the frequency in Hertz of the sound wave?
b. Assuming the sound wave moves with a velocity of 350 m/s, what is the
wavelength of the wave?
U
E
Answer:
a
Explanation:
why is the fuse used in a circuit called safety fuse?
Answer:
The maximum current which can flow through a fuse without melting it, is called its rating. ... If current higher than 8 A flows through the fuse, it would melt and circuit gets broken. ... Hence, fuse acts as a safety device
Answer:
The guy above me is right
Explanation:
Q1. Figure 1 shows a circuit diagram. A K M (a) In which position could a switch be placed so that both lamps can be switched on or off at the same time? Tick (✓) one box.
position on M could a switch be placed so that both lamps can be switched on or off at the same time. Hence option M is correct.
A switch is an electrical component that may detach or join the conducting channel in an electrical circuit, interrupting or directing the electric current from one conductor to another. An electromechanical device consisting of one or more sets of moveable electrical contacts coupled to external circuits is the most common form of switch. When two contacts are in contact, current can flow between them; when the contacts are separated, no current can flow. switches are used to on and off the lamp and other electronic devices,
To know more about Switch :
https://brainly.com/question/9431503
#SPJ1.
A 50 kilogram object moving at 6.0 meters per second slows down and comes to a stop while being subjected to a force
of 10 newtons. How long does it take for the object to come to a stop?
Answer:30s
Explanation: