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
sweet-ann [11.9K]
3 years ago
7

A magnetic field would be produced by a beam of

Physics
1 answer:
kumpel [21]3 years ago
4 0
3 protons should be your answer
You might be interested in
Which transformation of energy occurs in a hydroelectric power plant? A. Potential to chemical energy B. Chemical to potential e
motikmotik

The correct answer to the question is D). Kinetic to electrical.

EXPLANATION:

Hydro electric power plants are the electricity generation plants which capture the energy of falling water to produce current.

The water present at the top of a dam has potential energy. When the water is allowed to fall from certain height, the potential energy of the water is converted into kinetic energy.

The falling water moving with high speed is allowed to fall on a turbine. The kinetic energy of the water will rotate the turbine. The turbine is attached to a generator which will produce electricity due to the electromagnetic induction.

Hence, we see that the kinetic energy of the water is converted into electric energy.

7 0
3 years ago
Read 2 more answers
A thin insulating rod is bent into a semicircular arc of radius a, and a total electric charge Q is distributed uniformly along
storchak [24]

Answer:

v = \frac{kQ}{a}  

Explanation:

We define the linear density of charge as:

\lambda = \frac{Q}{L}

     Where L is the rod's length, in this case the semicircle's length L = πr

The potential created at the center by an differential element of charge is:

dv = \frac{kdq}{r}

          where k is the coulomb's constant

                     r is the distance from dq to center of the circle

Thus.

v = \int_{}^{}\frac{kdq}{a}  

v = \frac{k}{a}\int_{}^{}dq

v = \frac{kQ}{a}     Potential at the center of the semicircle

4 0
3 years ago
A battery has a potential resistance of 12 V and a current of 1280 mA. What is the resistance? PLS HELP ME ASAPPPPPPPPPP
Romashka-Z-Leto [24]

Resistance (R) = <u>9.375 ohm (Ω)</u>

Steps:

R =   \frac{V}{I}

=    \frac{12 \: volt}{1280 \:  milliampere}

=  \frac{12 \: volt}{1.28 \: ampare}

= 9.375 \: ohm (Ω)

6 0
3 years ago
Ultraviolet light from a distant star is traveling at 3.0 × 108 m/s. how long will it take for the light to reach earth if it mu
castortr0y [4]

Given speed and the distance that must be covered, the time it will take the ultraviolet light to reach the earth is 3.7 × 10⁴ hours.

<h3>What is Speed?</h3>

Speed is simply referred to as distance traveled per unit time.

Mathematically, Speed = Distance ÷ time.

Given the data in the question;

  • Speed of the Ultraviolet light c = 3.0 × 10⁸m/s = 1.08 × 10⁹km/h
  • Distance it must cover d = 4.0 × 10¹³km
  • Time elapsed t = ?

We substitute our given values into the expression above.

Speed = Distance ÷ time

1.08 × 10⁹km/h = 4.0 × 10¹³km ÷ t

t = 4.0 × 10¹³km ÷ 1.08 × 10⁹km/h

t = 3.7 × 10⁴ hrs

Therefore, given speed and the distance that must be covered, the time it will take the ultraviolet light to reach the earth is 3.7 × 10⁴ hours.

Learn more about speed here: brainly.com/question/7359669

#SPJ4

5 0
2 years ago
Write answers with significant figures:<br>a) 17.35 g +8.498 g​
Genrish500 [490]

Answer:

25.9 g

Explanation:

= 17.35

8.498

________+

= 25.848 g = 25.85 g = 25.9 g

*so sorry if wrong

6 0
3 years ago
Other questions:
  • What involves extensive in depth studies of an individual?
    12·1 answer
  • Which describes a high frequency wave?
    6·1 answer
  • What happens to scientific laws if new, unexpected data is discovered? a They become scientific theories. b They are revised. c
    9·1 answer
  • R = (2+2+1) i - (t+1)] + t3 k<br> what is the direction of initial velocity
    13·1 answer
  • As the moon revolves around the Earth, it also rotates on its axis. Why is it that the the same side of the moon is always visib
    10·1 answer
  • Please help me......
    8·1 answer
  • Suppose that 2 J of work is needed to stretch a spring from its natural length of 34 cm to a length of 46 cm. (a) How much work
    15·1 answer
  • While at the county fair, you decide to ride the Ferris wheel. Having eaten too many candy apples and elephant ears, you find th
    9·1 answer
  • A train accelerated from rest to a speed of 60m/s in 200 seconds it continues with the speed reached for 40 seconds before comin
    7·1 answer
  • Most of the bending of light in the eye is done at the air-cornea interface. By what angle (θcornea) is the beam of light shown
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!