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
Ronch [10]
3 years ago
11

3. An atom has 11 protons in the nucleus. What is the atomic number? What is the name of this

Physics
1 answer:
jenyasd209 [6]3 years ago
7 0

Answer:

11

Explanation:

You might be interested in
What is the difference between a bound orbit and an unbound orbit around the sun?
Anit [1.1K]

Answer:

Explanation:

The difference between a bound orbit and an unbound orbit around the sun is that:

An object on a bound orbit pursues the same way around the Sun again and again, while an object on an unbound orbit moves toward the Sun only a single time and afterward stays away forever &  never returns.

8 0
3 years ago
1. The illuminance on a surface is 6 lux and the surface is 4 meters from the light source. What is the intensity of the source?
Crank

<u>Answer</u>

1) A. 96 Candelas

2) A. Both of these types of lenses have the ability to produce upright images.

3) C. 5 meters


<u>Explanation</u>

Q1

The formula for calculation the luminous intensity is;

Luminous intensity = illuminance × square radius

Lv = Ev × r²

= 6 × 4²

= 6 × 16

= 96 Candelabra

Q2

For converging lenses, an upright image is formed when the object is between the lens and the principal focus while a diverging lens always forms and upright image.

A. Both of these types of lenses have the ability to produce upright images.

Q3

Luminous intensity = illuminance × square radius

square radius = Luminous intensity/ illuminance

r² = 100/4

= 25

r = √25

= 5 m




5 0
3 years ago
Read 2 more answers
0.042 kg … ________________grams
olchik [2.2K]

Answer:

42 grams

Explanation:

you multiply the value by 1000 to get your answer

6 0
3 years ago
Read 2 more answers
A railroad freight car, mass 15,000 kg, is allowed to coast along a level track at a speed of 2.0 m/s. It collides and couples w
gayaneshka [121]

Answer:

The speed of the two cars after coupling is 0.46 m/s.

Explanation:

It is given that,

Mass of car 1, m₁ = 15,000 kg

Mass of car 2, m₂ = 50,000 kg

Speed of car 1, u₁ = 2 m/s

Initial speed of car 2, u₂ = 0

Let V is the speed of the two cars after coupling. It is the case of inelastic collision. Applying the conservation of momentum as :

m_1u_1+m_2u_2=(m_1+m_2)V

V=\dfrac{m_1u_1+m_2u_2}{(m_1+m_2)}

V=\dfrac{15000\ kg\times 2\ m/s+0}{(15000\ kg+50000\ kg)}  

V = 0.46 m/s

So, the speed of the two cars after coupling is 0.46 m/s. Hence, this is the required solution.          

3 0
3 years ago
When a 12 V battery is connected to a 6 uF capacitor, how much energy is stored
adoni [48]

The energy stored in a capacitor is

E = (1/2) · (capacitance) · (voltage)²

E = (1/2) · (6 x 10⁻⁶ F) · (12 V)²

E = (3 x 10⁻⁶ F) · (144 V²)

<em>E = 4.32 x 10⁻⁴ Joule</em>

(That's 0.000432 of a Joule)

4 0
3 years ago
Other questions:
  • Can anyone help me with this problem? It is -2.1??
    12·1 answer
  • Help ASAP!!!!
    10·1 answer
  • Which layer contains solid rock and magma
    8·1 answer
  • The principle of alignment means that you use conventions of typography, layout, color, and other visual elements to make sure t
    15·1 answer
  • 20 POINTS
    14·1 answer
  • An electric current is made up of _____ charged electron.
    5·2 answers
  • Which of the following is an example of facilitated diffusion?
    5·1 answer
  • What is optics?<br><br> Need Proper explanation in your own words!!!
    5·2 answers
  • A fertilized human egg cannot grow into a crocodile duck or fish because
    10·2 answers
  • Prove that density of 5l of water is 1000
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!