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
Lady_Fox [76]
3 years ago
13

When operated on a household 110.0-V line, typical hair dryers draw about 1650 W of power. We can model the current as a long st

raight wire in the handlé. During use, the current is about 1.85 cm from the user's hand. What is the current in the dryer? Number What is the resistance of the dryer? Number What magnetic field does the dryer produce at the user's hand?
Physics
1 answer:
Dimas [21]3 years ago
5 0

Answer:

Current = 15 A

Resistance = 7.33 ohm

Magnetic field = 1.62 x 10^-4 Tesla

Explanation:

V = 110 V, P = 1650 W, r = 1.85 cm,

(a) Let i be the current

P = V x i

i = 1650 / 110 = 15 A

(b) Let R be the resistance

V = i R

R = 110 / 15 = 7.33 Ohm

(c) Let B be the magnetic field

B = μ0 / 4π x 2i / r

B = 10^-7 x 2 x 15 / 0.0185 = 1.62 x 10^-4 Tesla

You might be interested in
The loudness of a sound is determined by the __________, or height, of the sound wave.
NISA [10]

Answer: Aplitude

Explanation: Loudness depends on the amplitude,or height, of sound waves. The greater the amplitude, the louder the sound perceived. Amplitude is measured in decibels.

4 0
3 years ago
If an object on a horizontal frictionless surface is attached to a spring, displaced, and then released, it will oscillate. If i
sdas [7]

Answer: a. 5.115  b. 2pi c. i dont know

Explanation:

6 0
3 years ago
A 12-volt car battery uses about 660 amps. How much power does it use?
alexira [117]
We know, Power = Voltage * Current
P = 660 * 12 = 7920 watt

In short, Your Answer would be Option A

Hope this helps!
8 0
4 years ago
Read 2 more answers
Please help correct answering get 20 points (physical science btw )
Zinaida [17]

Answer:

Acceleration = 3.67 m/s²

Explanation:

In physics, acceleration can be defined as the rate of change of the velocity of an object with respect to time.

This simply means that, acceleration is given by the subtraction of initial velocity from the final velocity all over time.

Hence, if we subtract the initial velocity from the final velocity and divide that by the time, we can calculate an object’s acceleration.

Mathematically, acceleration is given by the equation;

Acceleration (a) = \frac{final \; velocity  -  initial \; velocity}{time}

Given the following data;

Initial velocity, u = 5 m/s

Final velocity, v = 27

Time, t = 6

To find the acceleration;

Acceleration = (v - u)/t

Acceleration = (27 - 5)/6

Acceleration = 22/6

Acceleration = 3.67 m/s²

6 0
3 years ago
Mars Rover When the Mars rover was deployed on the surface of Mars in July 1997, radio signals took about 12 minmin to travel fr
goblinko [34]

Answer:

s = 2.16 x 10¹¹ m

Explanation:

Since, the waves travelling from Earth to the Mars rover are electromagnetic. Therefore, there speed must be equal to the speed of light. So, from the equation given below:

s = vt

where,

s = the distance between Earth and Mars = ?

v = speed of the wave = speed of light = 3 x 10⁸ m/s

t = time taken by the radio signals to reach the rover from Earth

t = (12 min)(60 s/1 min) = 720 s

Therefore,

s = (3 x 10⁸ m/s)(720 s)

<u>s = 2.16 x 10¹¹ m</u>

6 0
3 years ago
Other questions:
  • Describe the relationship between input force, output force,<br>and load force.​
    13·1 answer
  • A moving truck has more __ energy than a parked truck
    13·1 answer
  • What is the most likely elevation of point B?<br>a. 150 ft<br>b. 200 ft<br>c. 125 ft<br>d. 225 ft​
    5·2 answers
  • Which carbon reservoirs did not receive any carbon?
    5·1 answer
  • Which of the following statements describe sliding friction? Select all that apply.
    10·2 answers
  • Does exercises relief your boredom during exercise?​
    15·2 answers
  • You are planning an investigation that explores the properties of matter. Which of the following will help you discover a physic
    8·1 answer
  • Which phrases apply to the formation of the Grand Canyon?
    8·1 answer
  • What exactly is Aphelion Phenomenon? ​
    9·2 answers
  • How is the duration and intensity of daylight related to the suns apparent path?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!