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
arsen [322]
3 years ago
12

Pennies used to be called coppers. how do you suppose they got this nickname?

Physics
1 answer:
Naddik [55]3 years ago
8 0

Answer:

because pennies are made from copper

Explanation:

You might be interested in
To understand the terms in the Doppler shift formula.
kodGreya [7K]
Too easy way too easy I mean it’s easy
4 0
4 years ago
Which of the following statements are true concerning electromagnetic radiation fields?Select all that apply.a.) The electric an
ale4655 [162]

Answer:

a.) The electric and magnetic fields are in phase with each other as they propagate through space.

Explanation:

Electromagnetic wave is a transverse wave in which magnetic field and electric field both induces each other as both changes with time

Here magnetic field induces electric field and similarly magnetic field induces electric field.

As we know that this is a transverse wave so here magnetic field and electric field lies in perpendicular planes. but they both propagate in same direction in such a wave that both fields reaches their maximum position and minimum positions simultaneously

So the correct answer is

a.) The electric and magnetic fields are in phase with each other as they propagate through space.

6 0
4 years ago
The resistivity of a silver wire with a radius of 5.04 × 10–4 m is 1.59 × 10–8 ω · m. if the length of the wire is 3.00 m, what
Alexxx [7]
<span>5.98 x 10^-2 ohms. Resistance is defined as: R = rl/A where R = resistance in ohms r = resistivity (given as 1.59x10^-8) l = length of wire. A = Cross sectional area of wire. So plugging into the formula, the known values, including the area of a circle being pi*r^2, gives: R = 1.59x10^-8 * 3.00 / (pi * (5.04 x 10^-4)^2) R = (4.77 x 10^-8) / (pi * 2.54016 x 10 ^-7) R = (4.77 x 10^-8) / (7.98015 x 10^-7) R = 5.98 x 10^-2 ohms So that wire has a resistance of 5.98 x 10^-2 ohms.</span>
4 0
3 years ago
.Write the meaning of following words:<br> a) gale<br> b) billows<br> c) raging<br> d) evil
Temka [501]

Answer:

a strong wind.

showing rage.

a large undulating mass of something, typically cloud, smoke, or steam.

profoundly immoral and wicked.

Explanation:

<h2>please mark me brainliest please</h2>
6 0
3 years ago
What is 1113.28 in a sig fig?
Afina-wow [57]

Answer:

6 significant figure

Explanation:

The digits 111328 all are 6 figures with no figure being zero, neither zero after the other digits. In this case, all the numbers are significant and since they are only six numbers, then this is a six significant figure. In case we add another zero after digit 8, the zero is not significant but if added either infront of 8 or 2, the zero becomes significant.

4 0
4 years ago
Other questions:
  • Red cabbage juice can be used as an acid-base indicator. When a solution is highly acidic, the juice turns red. As the acidity d
    11·2 answers
  • A ball is thrown straight up from a bridge at a speed of 11.0 m/s. If it takes 5.5 seconds to hit the water below, what is the v
    8·1 answer
  • Rank the average gravitational forces from greatest to least between (a) the Sun and Mars, (b) the Sun and the Moon, and (c) the
    14·1 answer
  • How does a smoother surface affect braking distance
    8·1 answer
  • Technician A says that the ABS electrohydraulic unit can be bled using bleeder screws and the manual method. Technician B says t
    9·1 answer
  • According to the videos seen in Modules 8, please write a short paragraph answering the following questions: a. What are some ex
    5·1 answer
  • On the graph below, the line crosses the x axis on a velocity versus time
    7·1 answer
  • Prove that, s=u+v/2<br>please I need help ​
    5·1 answer
  • . An experimental rocket plane lands on skids on a dry lake bed. If it’s traveling at 80.0 m/s when it touches down, how far doe
    12·1 answer
  • When you’re driving on the freeway it’s necessary to keep your foot on the accelerator to keep the car moving at a constant spee
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!