After cloud droplets form, what must happen to them for precipitation to occur?

Answers

Answer 1

Answer:

For precipitation to happen, first tiny water droplets must condense on even tinier dust, salt, or smoke particles, which act as a nucleus. Water droplets may grow as a result of additional condensation of water vapor when the particles collide. If enough collisions occur to produce a droplet with a fall velocity which exceeds the cloud updraft speed, then it will fall out of the cloud as precipitation.

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A race car travels on a circular track at an average rate of 125 mi/h. The radius of the track is 0.320 miles. What is the centripetal acceleration of the car?

Answers

Answer;

= 48,828.125 mi/hr²

Explanation and solution;

Centripetal acceleration is the rate of change of angular velocity. Centripetal acceleration occurs towards the center of the circular path along the radius of the circular path.

Centripetal acceleration is given by; V²/r ;

V = 125 mi/h and r = 0.320 miles

Thus; centripetal acceleration = 125²/0.320

=15625/0.320

= 48,828.125 mi/hr²

The centripetal acceleration is obtained from the quotient of the square of velocity and the radius. Hence, a= $( v^(2) )/(r)$ . Substituting the give, v=125 mi/h and r=0.320 mi, the answer is equal to 48,828.125 mi/ $hr^(2)$ .

The atomic number of an atom is the number of __________.Question 11 options:

protons and neutrons

protons

neutrons

electrons and neutrons

Answers

it is the number of protons.

Please help I'm soo confused, it's okay if one or two questions are incorrect.. I just need it finished. thank you so much

Answers

10. The first one is red, on the spectrum longest to shortest is red, orange, yellow, green, blue and violet

11. Judging by the diagram I believe its radar, I'm not sure though.

12. Gamma Rays

13. Ultraviolet

14. Decreases

15. Sound waves

That's all I can answer for now since I have to go but I hope this helped.

How will i write this out ?

Answers

Answer: Zn2C4H6O4

Explanation: The two on the outside is jusy multiplying with each elemennt and its number and Zn has an imaginary 1 beside it.

Answer:

Zn2C4H6O4

Explanation:

A closed container is filled with 2 moles of hydrogen gas and 2 moles of oxygen gas. The gases react to form water.Write a balanced equation for this reaction.

Answers

Answer:

$2H_2+O_2=2H_2O$

Explanation:

The chemical formula for hydrogen is H while chemical formula for oxygen is O

Considering that two moles of hydrogen and 2 moles of oxygen react to form water, the equation will be

$2H_2+2O_2=H_2O$

The number of oxygen molecules don't balance on both LHS and RHS hence to balance it, we put it as follows

$2H_2+O_2=2H_2O$

Normally, two moles of hydrogen require only one mole of oxygen to form two moles of water.

Why did Thomson’s results from experimenting with cathode rays cause a big change in scientific thought about atoms?A.His results gave people a picture of what atoms look like for the first time.
B.His results gave the first clues that atoms could be created and destroyed.
C.His results gave the first experimental evidence that matter is made up of atoms.
D.His results gave the first evidence that atoms were made up of smaller particles.

Answers

Answer:

D, because he discovered electrons

Explanation:

His results gave the first evidence that atoms were made up of smaller particles.

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