Compute the magnetic field intensity 2 cm from a long straight wire that carries a current of 10 A. Give the result in A/m and Oersteds.

Answers

Answer 1

Answer:

Explanation:

Magnetic field intensity = Current (A)/length of wire (m)

Given

Current = 10A

Length of wire = 2cm = 0.02m

Required

Intensity I

Substitute into formula

Intensity = 10/0.02

Intensity = 10 × 100/2

Intensity = 1000/2

Intensity = 500A/m


Related Questions

In a popular demonstration, vinegar and baking soda are combined in a bottle as shown. Sodium carbonate, water as well as carbon dioxide gas are formed. The balloon traps the carbon dioxide.

According to the law of conservation of mass, the total mass of the reactants equals the total mass of the products. How could you alter the demonstration above so that the mass of products would not equal the total mass of the reactants?
A) Use less of the reactants.
B) Do not use a clean bottle.
C) Take the balloon off the bottle.
D) Shake the bottle while the chemicals are reacting.

Answers

Answer:

Shake the bottle while the chemicals are reacting.

Explanation:

Answer:

C

Explanation:

If you take the balloon off, the product will leak.

A bullet is fired directly upward with a speed of 330 m/s. How far above the ground will the bullet be in 65 s

Answers

Answer:

d = 21450 m

Explanation:

Given that,

The speed of a bullet, v = 330 m/s

We need to find the distance covered by the bullet in 65 s.

We know that,

Speed of an object = distance covered divided by time taken.

It means,

d = vt

d = 330 m/s × 65 s

d = 21450 m

So, the bullet will cover a distance of 21450 m.

A car going around a curve of radius R at a speed V experiences a centripetal acceleration ac. What should be the radius of the path that leads to same centripetal acceleration while it travels at speed 2V

Answers

Answer:

4R

Explanation:

The centripetal acceleration a is given by a = v²/r where V = speed of object and r = radius of circle. Now, it is given that V = speed of car = V and radius of circle = R, so its centripetal acceleration a = V²/R.

Now, if the speed is doubled to V' = 2V with the same centripetal acceleration, we find the new radius of the curve R' from

a = V'²/R'

R' = V'²/a

R' = (2V)² ÷ V²/R

R' = 4V²R/V²

R' = 4R

So, the new radius is 4 times the initial radius.

1. A balloon drifts 100 m towards the west in 10 seconds, then the wind suddenly changes

and the balloon flies 60m towards the east in the next 6 seconds.


a) What total distance did it travel? 160 meters


b) What was the average speed during the first 10 seconds?


c) What was its average speed during the next 6 seconds?



d) What was its average speed for the entire trip?


e) What was its total displacement?


1) What was its average velocity during the first 10 seconds?


g) What was its average velocity during the next 6 seconds?


h) What was its average velocity for the entire trip?

Answers

Answer:

Explanation:

a) The total distance traveled by the balloon = (100 + 60) m

                                                          = 160 metes

b) speed = [tex]\frac{distance covered}{time taken}[/tex]

The average speed for the first flight = [tex]\frac{100}{10}[/tex]

                                                    = 10 m/s

c) The speed during its next flight = [tex]\frac{60}{6}[/tex]

                                                    = 10 m/s

d) Average speed for the entire trip = [tex]\frac{(10 + 10)}{2}[/tex]

                                                    = 10 m/s

e) Total displacement = [tex]\sqrt{(100)^{2} + (60)^{2} }[/tex]

                                   = [tex]\sqrt{13600}[/tex]

                                   = 116.62 m

f) velocity = [tex]\frac{displacement}{time}[/tex]

Average velocity during the first 10 seconds = [tex]\frac{100}{10}[/tex]

                              = 10 m/s

g) Average velocity during the next 6 seconds = [tex]\frac{60}{6}[/tex]

                               = 10 m/s

h) Average velocity for the entire trip = [tex]\sqrt{(10)^{2} + (10)^{2} }[/tex]

                                                              = [tex]\sqrt{200}[/tex]

                                                              = 14.14 m/s

Very Urgent!!!!!!! Please!!!!!!!!
A 35kg child standing on ice (frictionless) pushes a 7kg bowling ball with a force of 100N. What is the force acting on the 35kg child? What is the acceleration of the 35kg child?

Please real answers!! Gives many points!!!!!!

Answers

Answer:

a = 2.85714 m/s^2

Explanation:

Fnet=ma

eaqual and oppisate forces means that the 100N pushed on the ball comes back to the child.

100 = 35*a

a= 100/35

This is the motion of an object when the only force acting on it is the force of gravity.
A) Newton's Third Law
B)Newton's First Law
C)Free fall
D)Terminal velocity

Answers

Answer:

c it is free fall when an object force act on the force of gravity

A block of mass, m, is pushed up against a spring, compressing it a distance x, and is then released. The spring projects the block along a frictionless horizontal surface, giving the block a speed v. The same spring projects a second block of mass 4m, giving it a speed 3v. What distance was the spring compressed in the second case?

Answers

Answer:

x₂ =6*x₁

Explanation:

In absence of friction, along a horizontal surface, all the elastic potential energy stored in the spring becomes kinetic energy, so we can write the following expression for the first case:

       [tex]\frac{1}{2}*k*x_{1}^{2} = \frac{1}{2}*m*v^{2} (1)[/tex]

In the second case, we have a mass 4m, which reaches to a speed 3v due to the energy stored in the spring.We can write the same equation than for (1) replacing m by 4m and v by 3v, as follows:

        [tex]\frac{1}{2}*k*x_{2} ^{2} = \frac{1}{2} * 4*m*(3*v)^{2} =\frac{1}{2}*4*m*9*v^{2} = \frac{1}{2}* 36 m*v^{2} (2)[/tex]

Dividing (2) over (1) on both sides, and rearranging terms, we get:

        [tex]x_{2} ^{2} = 36 * x_{1} ^{2}[/tex]

Taking square roots on both sides, we get:x₂ = 6*x₁So, in this case, the spring was compressed six times the distance that was compressed in the first case.

4. From home a car drives 16 km east and then 24 km south. What is the resultant vector for
the car?

Answers

resultant = square root ( 16^2 + 24^2 ) km

angle = inv tan ( 24/16 )

A 0.1-kg meter stick is supported at both ends by strings, and there is a 200-g mass attached to it at the 70 cm mark. What is the force exerted by the string connected at the 0 cm mark, if the system is in static equilibrium

Answers

Answer:

The force exerted by the string connected at the 0 cm mark is 1.078 N

Explanation:

Given;

mass of the meter stick, m = 0.1 kg

weight of the meter stick, = 0.1 kg x 9.8 m/s² = 0.98 N

the weight attached at 70 cm mark = 0.2 kg x 9.8 m/s² = 1.96 N

0cm--------------------------50cm-----------70cm-------------100cm

↑                                     ↓                    ↓                     ↑

F₁                                 0.98N              1.96N                F₂

Take the moment about F₂: clockwise moment = anticlockwise moment

F₁(100 - 0) = 0.98(100 -50) + 1.96(100 -70)

100F₁ = 49 + 58.8

100F₁ = 107.8

F₁ = 107.8 / 100

F₁ = 1.078 N

Therefore, the force exerted by the string connected at the 0 cm mark is 1.078 N

True or false: Electromagnetic radiation cannot travel through a vacuum.
A
True
B
False

Answers

Answer: that one is wrong i did it on flocabulary its false

Explanation:

Since electromagnetic radiations do not require a material medium for their propagation and can travel through vacuum, the statement that electromagnetic radiation cannot travel through a vacuum is False, option B.

What is an electromagnetic radiation?

!An electromagnetic radiation is a radiation which results from.the interaction of the electric and magnetic fields.

Electromagnetic radiations do not require a material medium for their propagation, and hence can travel through vacuum.

An example of electromagnetic radiation is radio waves.

Hence, the statement that electromagnetic radiation cannot travel through a vacuum is False, option B.

Learn more about electromagnetic radiation at: https://brainly.com/question/7385447

A cat is running at 8.0 m/s and trying to catch a mouse, who has a tenth of the mass of the cat. If the cat speeds up by 2.0 m/s, the cat has ten times of the kinetic energy of the mouse. What is the speed of the mouse

Answers

Answer:

The speed of the mouse is 10 m/s

Explanation:

Given;

speed of the cat, u = 8 m/s

let the mass of the cat = m

then, mass of the mouse, = m / 10

let the speed of the mouse = v

Let the kinetic energy of the mouse = K.E

When the cat speeds up by 2 m/s, its new speed = 10 m/s,

then its kinetic energy is given as;

¹/₂m(10)² = 10K.E

[tex]50 m = 10[\frac{1}{2} *\frac{m}{10}.v^2][/tex]

50 = ¹/₂v²

v² = 100

v = √100

v = 10 m/s

Therefore, the speed of the mouse is 10 m/s

34)
Elements are composed of
A)
many type of atoms.
B)
the same type of atom.
C)
many different compounds.
D)
the same type of compound.

Answers

Iiiiiiiiiiiiiiiiiiiiiiiui

2. An aluminum plate has a circular hole cut in it. A copper ball (solid sphere) has exactly the same diameter as the hole when both are at room temperature, and hence can just barely be pushed through it. If both the plate and the ball are now heated up to a few hundred degrees, the ball will fit more easily. Why

Answers

Answer:

Thermal expansion

Explanation:

One of the effects of heat is that it causes expansion of materials.

When the copper ball and aluminium plate are both heated, the both materials expand. When they expand, the copper ball can is found to fit more easily into the aluminium plate after both metals have become wider than they were at room temperature.

The coefficient of thermal expansion for aluminium is 35% greater than that of copper. This is the reason why the copper ball can fit into the aluminum plate more easily at higher temperature. The aluminum has expanded 35% more than copper making it easier and leaving a lot of space for the copper to fit into the aluminum plate.

A 60 kg cyclist approaches the bottom of a gradual hill at a speed of 11 m/s. The hill is 5.0 m high, and the cyclist estimates that she is going fast enough to coast up and over it without peddling. Using conservation of energy, find the speed of the cyclist when she reaches the top of the hill (ignoring air resistance and friction). g

Answers

Answer:

9.91m/s

Explanation:

According to conservation of energy, the potential energy at the top of the hill is equal to the kinetic energy along the hill.

PE = KE

mgh = 1/2mv²

m is the mass of the cyclist

g is the acceleration due to gravity

h is the height of the hill

v is the speed of the cyclist

From the formula:

gh = v²/2

Given

g = 9.81m/s²

h = 5.0m

Substitute into the formula:

9.81(5.0) =  v²/2

9.81*5*2 =  v²

98.1 =  v²

v = √98.1

v = 9.91m/s

Hence the speed of the cyclist when she reaches the top of the hill is 9.91m/s

A vertical force is applied to a block of mass m that lies on a floor. What happens to the magnitude of the normal force on the block from the floor as magnitude F is increased from zero if force is (a) downward and (b) upward

Answers

Answer:

The answer is "[tex]\bold{+9.0 \ \frac{m}{s^2}}[/tex]"

Explanation:

Its rate (in respect of time) was its derivative of its specified function x, as well as the speed is the derivative of the speed.  Therefore, in Newton's second legislation [tex]a=2c- 3(2.0)(2.0)t[/tex] is used:  

[tex]F=(2.0 \ kg)a=40c -24t[/tex] (understood by SI units).  

At [tex]t=3.0s, the \ F=-36 \ N[/tex] is told.  

Therefore, the solution of c can be used to solve [tex]F=-36\ N=4.0c-24(3.0)[/tex]. This results in [tex]c=+9.0 \ \frac{m}{s^2}[/tex].

Which is the dependent variable and what is the trend in the graph?
Experimental Solubility Data for a Sugar
140
130
120
110
Solubility (g/100g H,0)
100
90
80
0
10
50
60
20 30 40
Temperature (*C)
Solubility; decreasing
Solubility; increasing
Temperature; decreasing
Temperature; increasing

Answers

Answer: Solubility; decreasing

Explanation:

Starting at rest at the top of a ski slope, you travel down the hill reaching a velocity of 20 m/s after 13 seconds. Once you reach the bottom of the hill you travel at a constant velocity of 20 m/s for the next 7 seconds. Sketch a quantitative (with numbers) position vs time, velocity vs time, and acceleration vs time graph of the skier's motion. PLEASE SHOW WORK AND I WILL MARK YOU THE BRAINLIEST

Answers

Answer:

The graphs are attached

Explanation:

We are told that he started at rest at rest and travelled down the hill reaching a velocity of 20 m/s after 13 seconds.

Acceleration is gotten from;

v = u + at

a = (v - u)/t

a = (20 - 0)/13

a = 20/13 m/s² or 1.54 m/s²

Distance in this period is gotten from;

v² = u² + 2as

s = (v² - u²)/2s

s = (20² - 0²)/(2 × 20/13)

s = 400/(40/13)

s = 130 m

We are told that after reaching the bottom of the hill, he travelled at a constant velocity of 20 m/s for the next 7 seconds.

At constant velocity, acceleration is 0.

Thus,distance in this period is;

s1 = vt = 20 × 7 = 140 m

I've attached the graphs

g First find the magnitude of the force F on a positive charge q in the case that the velocity v⃗ (of magnitude v) and the magnetic field B⃗ (of magnitude B) are perpendicular. Express your answer in terms of v, q, B, and other quantities given in the problem statement.

Answers

Answer:

The magnitude of the force F on a positive charge q in the case that the velocity v and the magnetic field B are perpendicular is [tex]F = q\cdot v\cdot B[/tex], measured in newtons.

Explanation:

From classical theory on Magnetism, the vectorial form of the magnetic force on a particle is given by:

[tex]\vec F = q\cdot \vec v \times \vec B[/tex] (Eq. 1)

Where:

[tex]\vec F[/tex] - Magnetic force, measured in newtons.

[tex]q[/tex] - Electric charge, measured in coulombs.

[tex]\vec v[/tex] - Velocity of the particle, measured in meters per second.

[tex]\vec B[/tex] - Magnetic field, measured in tesla.

By definition of cross product, we get that magnitude of magnetic force on a positive charge [tex]q[/tex] is:

[tex]F = q\cdot v\cdot B \cdot \sin \theta[/tex] (Eq. 2)

Where:

[tex]v[/tex] - Speed of the particle, measured in meters per second.

[tex]B[/tex] - Magnitude of the magnetic field, measured in tesla.

[tex]\theta[/tex] - Angle between the velocity of the particle and magnetic field, measured in sexagesimal degrees.

If velocity and magnetic field are perpendicular, then (Eq. 2) is reduced into this form: ([tex]\theta = 90^{\circ}[/tex])

[tex]F = q\cdot v\cdot B[/tex]

The graph below shows the average monthly temperatures at one location on earth over a three-year period.

Which was the highest record temperature?


A:25°F

B:30°F

C:70°F

D:80°F

Answers

The answer is D 80 because the graph so the highest one is 80

An athlete at the gym holds a 3.5kg steel ball in his hand. His arm is 70cm long and has a mass of 4.0kg.What is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor?What is the magnitude of the torque about his shoulder if he holds his arm straight, but 55 degrees below horizontal?

Answers

Answer:

A. 38 nm

B. 22 nm

Explanation:

This question has given us m, mass of the ball as 3.5kg

M = The mass of arms = 4kg

R = length of arms as 70cm

70 cm = 0.7m

0.7m/2 = 0.35m

rmg + Rmg

g = 9.8m/s

= 0.7(3.5)(9.8)+(0.35)(4)(9.8)

= 24.01 + 13.72

= 37.72

~38

B.

55 degrees below horizontal

Cos 55⁰ = 0.5736

= 0.7(3.5)(9.8)(0.5736)+(0.35)(4)(9.8)(0.5736)

= 13.772136+7.869792

= 21.642

~22Nm

The magnitude of the torque about his shoulder, if he held his arm straight is 21.64Nm

The formula for calculating the magnitude of the torque about his arm is expressed as:

[tex]\tau = (F_1r + F_2R) cos\theta[/tex]

F1 and F2 are the forces

[tex]\theta[/tex] is the given angle

F1 = 3.5 * 9.8 = 34.3 N

r = 70cm = 0.7m

F2 = 4.0 * 9.8 = 39.2N

R = 0.7/2 = 0.35m

Substitute the given values into the formula:

[tex]\tau = (34.3(0.7) + (39.2)(0.35)) cos55^0\\\tau = (24.01+13.72)cos55\\\tau = 37.73cos55\\\tau=21.64Nm[/tex]

Hence the magnitude of the torque about his shoulder, if he held his arm straight is 21.64Nm

Learn more here: https://brainly.com/question/21603137

A ball rolls at a speed of 4 m/s off a flat surface which is a height 1.3m above the ground. how long (in seconds) is the ball in the air before it hits the ground

Answers

If you want to know the velocity of the object at some point before it hits the ground, use the distance the object has fallen at that point in place of the distance to the ground in either equation. Multiply feet per second by 0.68 to find the object's velocity in miles per hour.

Determine the xx component of force at point CC in the pipe assembly. Neglect the weight of the pipe. Take F1F1

Answers

Answer:

Hello your question has some missing part and diagram attached below is the missing part and diagram

Determine the x component of force at point C in the pipe assembly. Neglect the weight of the pipe. Take F1 = { 348 i - 427 j} lb and F2 = {-307 j + 122 k} lb.

Determine the y component of the force at point C in the pipe assembly.

Determine the x component of the force at point C in the pipe assembly.

Determine the x component of the moment at point C in the pipe assembly.

Determine the y component of the moment at point C in the pipe assembly.

Determine the z component of the moment at point C in the pipe assembly.

answer: attached below is the detailed solution

Explanation:

Attached below is the detailed solution

A 27 kg child slides down a playground slide at a constant speed. The slide has a height of 4.0 m and is 7.0 m long. Part A Using the law of conservation of energy, find the magnitude of the kinetic friction force acting on the child.

Answers

Answer:

Explanation:

The forces acting along the playground are:

Kinetic friction force Fk and

Wsintheta (weight along the plane)

Since sintheta = opp/hyp

Sintheta = 4/7

Taking the sum of forces along the playground

\sumFx = max

Wsintheta - Fk = max

Since the speed is constant, ax = 0, the equation becomes

Wsin theta - Fk = 0

Fk = Wsintheta

From the question

W = mg

W = 27×9.81

W = 264.87N

Fk = 264.87 × 4/7

Fk = 1059.48/7

Fk = 151.35N

Hence the magnitude of the kinetic friction force acting on the child is 151.35N

frictionless floor by force . What total mass is accelerated to the right by (a) force , (b) cord 3, and (c) cord 1

Answers

Complete Question

The complete question is shown on the first uploaded image

Answer:

a

  [tex]F = 20 \ kg[/tex]

b

 [tex]F = 18 \ kg[/tex]

c

 [tex]F = 10 \ kg[/tex]

Explanation:

From the diagram we are told that

   The first mass is  [tex]m_1 = 10 \ kg[/tex]

    The second mass is  [tex]m_2 = 3 \ kg[/tex]

    The third mass is  [tex]m_3 = 5 \ kg[/tex]

     The fourth mass is  [tex]m_4 = 2 \ kg[/tex]

Gnerally the total mass accelerated by right force is mathematically evaluated as

        [tex]F = m_1 + m_2 +m_3 + m_4[/tex]

        [tex]F = 10 + 3 +5 + 2[/tex]

      [tex]F = 20 \ kg[/tex]

Gnerally the total mass accelerated by cord 3  is mathematically evaluated as

        [tex]F = m_1 + m_2 +m_3[/tex]

        [tex]F = 10 + 3 +5[/tex]

      [tex]F = 18 \ kg[/tex]

Gnerally the total mass accelerated by cord 3  is mathematically evaluated as

        [tex]F = m_1[/tex]

        [tex]F = 10 \ kg[/tex]

     

A person throws a shot put from height of 5 feet with an initial vertical velocity of 40 feet per second. Use the vertical motion model, h = -16t^2 + vt + s, where v is the initial velocity in feet per second and s is the initial height in feet, to calculate the amount of time the shot put is in the air before it hits the ground.

Answers

Answer:2.6

Explanation:

how much heat is needed to convert 1.0kg of ice at -10°C to steam at 100°C?

Answers

Q= Q1 +Q2 +Q3+Q4+ Q5

3066 J

If I am driving down the highway going north at 50 miles per hour, and another car is driving south at 75 miles per hour. How fast is the car coming toward me?

Answers

Answer:

V₂₋₁  = 50 [miles/h]

Explanation:

In order to solve this problem we must use the concept of relative velocities.

Where:

V1 = 50 [miles/h]

V2 = 75 [miles/h]

V₂₋₁ = Relative velocity among the two cars.

V₂₋₁  = 75 - 25 = 50 [miles/h]

That is, the car that goes at 50 miles per hour, sees how the second car approaches at 50 miles per hour.

A 4.33-kg soccer ball rolling eastward at a speed of 2.74 m/s is kicked so that it reverses direction and attains a speed of 6.35 m/s. If the duration of the interaction is 55.33 ms, what is the average force on the ball by the player's foot, in N

Answers

Answer:

0.71 N

Explanation:

The inertia of a body, I, is the product of the force applied on it and the time which it acts. Also, it is equal to the change in  the momentum, P, of a body.

So that:

I = Ft

I = ΔP

Ft = m(v - u)

Where F is the force, t is the time, m is the mass of object, v is the final velocity and u is the initial velocity.

Given that: m = 4.33 kg, u = -2.74 m/s, v = 6.35 m/s and t = 55.33 s

F x 55.33 = 4.33(6.35 - (-2.74))

F x 55.33 = 4.33(6.35 + 2.74)

55.33 F = 4.33 x 9.09

55.33 F = 39.3597

F = [tex]\frac{39.3597}{55.33}[/tex]

  = 0.711363

The average force on the ball by the player is 0.71 N.

Why is force a vector

Answers

Answer:

A force vector is a representation of a force that has both magnitude and direction.

Question 3: In one half hour, a car traveled 25.2 km. Its average speed is
50.4 km/min
12.6 km/hr
14 m/s
none of them

Answers

the answer is none hope u do good on whatever assignment ur doing

Answer:

12.6 km/hr

explanation:

25.2 x  [tex]\frac{1}{2}[/tex]

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