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
Nezavi [6.7K]
3 years ago
12

Astronomers were at first surprised to find complicated molecules in the interstellar medium. They thought ultra-violet light fr

om stars would break apart such molecules. What protects the molecules we observe from being broken apart
Physics
1 answer:
jeka57 [31]3 years ago
8 0

Answer:

The dust present in the clouds.

Explanation:

The complicated composition molecules that can be found in space are generally associated with clouds of dust. The significant amount of dust in these clouds provides protection not only for these molecules, but for any body that makes up or is associated with dust clouds.

It is exactly this dust that protects the molecules against the action of ultraviolet rays.

You might be interested in
"One step in the manufacture of silicon wafers used in the microelectronics industry is the melt crystallization of silicon into
nevsk [136]

Answer:

fgfgfdgdg

Explanation:

gfdgfgfgd

7 0
3 years ago
A current of 0.4 A flows through a wire. How many electrons flow through a cross section of
Free_Kalibri [48]

9 × 10²¹ electrons flow through a cross section of the wire in one hour.

<h3>What is the relation between current and charge?</h3>
  • Mathematically, current = charge / time
  • In S.I. unit, Charge is written in Coulomb and time in second.

<h3>What is the amount of charge flown through a wire for one hour if it carries 0.4 A current?</h3>
  • Charge= current × time
  • Current= 0.4 A, time = 1 hour= 3600 s
  • Charge= 0.4× 3600

= 1440 C

<h3>How many numbers of electrons present in 1440C of charge?</h3>
  • One electron= 1.6 × 10^(-19) C
  • So, 1440 C = 1440/1.6 × 10^(-19)

= 9 × 10²¹ electrons

Thus, we can conclude that the 9 × 10²¹ electrons flow through a cross section of the wire in one hour.

Learn more about current here:

brainly.com/question/25922783

#SPJ1

4 0
2 years ago
Which of these instruments can be used to peedict a thunderstorm?
FinnZ [79.3K]
<span> Doppler Radar is the instrument that is used to predict a thunderstorm. </span>
8 0
3 years ago
Question 8
Marrrta [24]

Answer:

It has a mass of 40 kg.

Explanation:

Because Force = mass x Acceleration or F = m a, we could say that the mass is force/acceleration which in your case is 2,400/60 which equals 40 kg.

3 0
2 years ago
A battery can provide a current of 1.80 A at 2.60 V for 6.00 hr. How much energy (in kJ) is produced?A battery can provide a cur
love history [14]

Answer:

The energy which is produced by a battery is 101.1 kJ.

Explanation:

The expression for the energy in terms of voltage, current and time is as follows;

E=VIt

Here, V is the voltage, I is the current and t is the time.

It is given in the problem that a battery can provide a current of 1.80 A at 2.60 V for 6.00 hr.

Calculate the energy of the battery.

E=VIt

Convert time from hour int seconds.

t=6 hr

t=(6)(60)(60)

t=21600 s

Put I= 1.80 A, V= 2.60 V and t= 21600 s in the expression of energy.

E=(2.60)(1.80)(21600)

E= 101.1 kJ

Therefore, the energy which is produced by a battery is 101.1 kJ.

4 0
3 years ago
Other questions:
  • Affirmations and strokes relate to the power of adult
    15·1 answer
  • Which of Galileo's theories drew fire from the Catholic Church and led to his house arrest?
    5·2 answers
  • Does the sun fuse hydrogen into helium or vice versa?
    6·1 answer
  • Learning to ride a bike, is what kind of learning?
    8·1 answer
  • Which is more work, pushing with 115 N over 15m or lifting 20N over 10 m?
    14·2 answers
  • This is the movement of soil, mud and rock due to the downward movement of wind, water or ice.
    11·2 answers
  • A cart loaded with bricks has a total mass of 25.1 kg and is pulled at constant speed by a rope. The rope is inclined at 21.3 ◦
    15·1 answer
  • Suppose a lion running at a velocity of 10 m/s east slows
    12·1 answer
  • Please help I will fail
    5·1 answer
  • What is the method of heat transfer sunlight melts a wax crayon left outside.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!