1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Makovka662 [10]
3 years ago
12

A 3 Volt battery is connected in series to three resistors: 4, 6, and 2

Physics
1 answer:
DanielleElmas [232]3 years ago
7 0

Answer:

Explanation:

   

You might be interested in
A horizontal compass is placed 21 cm due south from a straight vertical wire carrying a 36 a current downward. in what direction
Anit [1.1K]

 <span>
The needle of a compass will always lies along the magnetic field lines of the earth. 
A magnetic declination at a point on the earth’s surface equal to zero implies that 
the horizontal component of the earth’s magnetic field line at that specific point lies along 
the line of the north-south magnetic poles. </span>

The presence of a current-carrying wire creates an additional <span>
magnetic field that combines with the earth’s magnetic field. Since magnetic 
<span>fields are vector quantities, therefore the magnetic field of the earth and the magnetic field of the vertical wire must be combined vectorially. </span></span>

<span>
Where:</span>

B1 = magnetic field of the earth along the x-axis = 0.45 × 10 ⁻ ⁴ T

B2 = magnetic field due to the straight vertical wire along the y-axis

We can calculate for B2 using Amperes Law:

B2 = μ₀ i / [ 2 π R ]

B2 = [ 4π × 10 ⁻ ⁷ T • m / A ] ( 36 A ) / [ 2 π (0.21 m ) ] <span>
B2 = 5.97 × 10 ⁻ ⁵ T = 0.60 × 10 ⁻ ⁴ T </span>

The angle can be calculated using tan function:<span>
tan θ = y / x = B₂ / B₁ = 0.60 × 10 ⁻ ⁴ T / 0.45 × 10 ⁻ ⁴ T <span>
tan θ = 1.326</span></span>

θ = 53°

<span>
<span>The compass needle points along the direction of 53° west of north.</span></span>

8 0
3 years ago
___________________ uses the heat energy from the Earth. This type of alternative energy can be installed basically anywhere in
olga nikolaevna [1]

Answer:

Geothermal!!

Explanation:

Geo means earth! Just like Hydro means water, and Pyro means fire :)

8 0
2 years ago
1. The law of reflection states that the angle of _______ is equal to the angle ofreflection
Mnenie [13.5K]

Answer:

refraction

Explanation:

but this is easy so why

3 0
2 years ago
A horse runs a distance of 240 m in 20 s. Which of the following is a scalar quantity that can be determined from this
mariarad [96]

Explanation:

distance and time both are scaler quantity

6 0
3 years ago
After a fall, a 90 kg rock climber finds himself dangling from the end of a rope that had been 16 m long and 7.8 mm in diameter
Nesterboy [21]

Explanation:

Given that,

Mass of the rock climber, m = 90 kg

Original length of the rock, L = 16 m

Diameter of the rope, d = 7.8 mm

Stretched length of the rope, \Delta L=3.1\ cm

(a) The change in length per unit original length is called strain. So,

\text{strain}=\dfrac{\Delta L}{L}\\\\\text{strain}=\dfrac{3.1\times 10^{-2}}{16}\\\\\text{strain}=0.00193

(b) The force acting per unit area is called stress.

\text{stress}=\dfrac{mg}{A}\\\\\text{stress}=\dfrac{90\times 10}{\pi (3.9\times 10^{-3})^2}\\\\\text{stress}=1.88\times 10^7\ Pa

(c) The ratio of stress to the strain is called Young's modulus. So,

Y=\dfrac{\text{stress}}{\text{strain}}\\\\Y=\dfrac{1.88\times 10^7}{0.00193}\\\\Y=9.74\times 10^9\ N/m^2

Hence, this is the required solution.

8 0
3 years ago
Other questions:
  • A car traveling at 38 m/s starts to decelerate steadily. It comes to a complete stop in 10 seconds. What is its acceleration?
    10·1 answer
  • The witch in "Hansel and Gretel" owns a house made of cookies and candy for the ___ reason that she is sweet and kind, but actua
    9·1 answer
  • A rocket experiences a constant force even as the amount of fuel in its fuel tanks decreases. What happens to the acceleration o
    5·2 answers
  • A tub of water is placed in a small room and heat is removed from the room. What will most likely occur if enough heat is remove
    14·2 answers
  • Does the theory of relativity show that Newtonian mechanics is wrong?
    10·1 answer
  • Please help me whit this question
    15·1 answer
  • A.
    7·1 answer
  • A 1200 N force acts on an object, resulting in an acceleration of 8.0 m/s2. What is the mass of the object?
    10·1 answer
  • Which statement describes steps involved in the production of hydroelectric power?
    7·2 answers
  • how to sketch the following?:Sketch ray diagrams for a spherical convex lens with objects at the following distances. (Submit a
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!