PHYSICS HIGH SCHOOL

What is the first stage of a thunderstorm?

Answers

Answer 1

Answer: The first stage is cumulus stage.

Answer 2

Answer:

1. B

2. A

3. B

4. A

5. C

6. B

7. B

8. A

Related Questions

What might be an advantage to making a magnet horseshoe-shaped?
The atmosphere and oceans are in constant motion. This is because _____.
A person walks out of a store with a pillow at the top of an overflowing shopping cart. While walking to the car, the cart's wheel hits a large rock, causing the cart to suddenly stop. Which of the following is likely to happen as a result of Newton's first law of motion?
The mass of the moon is 7.36×1022kg and its distance to the Earth is 3.84×108m. What is the gravitational force of the moon on the earth?
Ski lift carry people along 150 m cable up the side of a mountain. Riders are lifted a total of 75 m in elevation. What is the ideal mechanical advantage of the ski lift?

The ozone layer _____. is part of the troposphere
is used to send radio signals
protects the earth from UV radiation
is made of charged ions and free electrons

Answers

Protects the earth from UV radiation.

Sherlock Holmes discovers some hair fiber at a crime scene. He view the hairs through his magnifying glass from a distance of 6 cm. If the hairs are magnified 4.0 times, what is the distance to the magnified image?

Answers

This question involves the concept of magnification.

The distance to the magnified image will be "24 cm".

Image Distance

The magnification of the magnifying glass is given by the following formula:

$M=(q)/(p)\n\nq=Mp$

where,

q = image distance = ?
M = Magnification = 4
p = object distance = 6 cm

Therefore,

q = (4)(6 cm)

q = 24 cm

Learn more about magnification here:

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Consider a single slit that produces a first-order minimum at 16.5° when illuminated with monochromatic light. show answer No Attempt 50% Part (a) At what angle, in degrees, is the second-order minimum?

Answers

Answer:

$\theta_2 = 34.61^0$

Explanation:

Path difference for the destructive interference of a single slit:

$D sin \theta = n \lambda$

For the first - order minimum, n = 1, and $\theta = \theta_1$

$D sin \theta_1 = \lambda$ .........(1)

For the second - order minimum, n = 2, and $\theta = \theta_2$

$D sin \theta_2 = 2 \lambda$ .........(2)

Dividing equation (2) by equation (1):

$(D sin \theta_2)/(Dsin \theta_1) = (2 \lambda)/(\lambda) \n( sin \theta_2)/(sin \theta_1) = 2 \n\theta_1 = 16.5^0\n( sin \theta_2)/(sin 16.5) = 2\nsin \theta_2 = 2 sin 16.5\nsin \theta_2 = 0.568\n\theta_2 = sin^(-1) 0.568\n\theta_2 = 34.61^0$

what is the difference in the charges on a balloon rubbed in your hair and a glass rod rubbed with silk? why?

Answers

The balloon steals electrons from your hair, leaving the hair positively charged, and the balloon negatively charged. It causes the hair to be apart from each other, because they have the same charge. Glass has a weaker hold on electrons, and silk absorbs the lost electrons.

Answer:The balloon steals electrons from your hair, leaving the hair positively charged, and the balloon negatively charged. It causes the hair to be apart from each other, because they have the same charge. Glass has a weaker hold on electrons, and silk absorbs the lost electrons.

Which statement best describes the equation caco3 2hcl → cacl2 co2 h2o?

Answers

it is balanced so the coefficient would be 1 and it seems to be dehydration synthesis?

To figure if this equation is balanced or not, we must determine if the reactants are the same as the products.

Ca=1 Ca=1
C=1 C=1
O=3 O=2+1=3
H=2 H=2
Cl=2 Cl=2

Since the amount of each element on the reactants side is equivalent to what is on the products side, we have a balanced equation.

Final answer: This equation is balanced.

During a very cold winter, water pipes sometimes burst. Why?

Answers

Water pipes can burst during very cold winters due to a phenomenon known as "freeze-thaw cycle." When temperatures plummet, water inside the pipes can freeze, causing it to expand and exert pressure on the pipe walls.

Water molecules expand as they freeze, creating a buildup of pressure within the pipe. Pipes are designed to withstand a certain amount of pressure, but when it exceeds their capacity, they can rupture or burst. Furthermore, pipes made of materials like metal or plastic can become brittle in extremely cold temperatures. The cold causes the material to contract, reducing its flexibility and making it more susceptible to cracks and breaks. This can weaken the structural integrity of the pipe, making it more likely to rupture when subjected to the internal pressure from the frozen water. Preventing pipe bursts during cold winters involves insulating pipes, maintaining a constant flow of water, and keeping indoor spaces adequately heated to mitigate the freezing and expansion of water within the pipes.

Additionally, stagnant water in pipes is more prone to freezing than flowing water. Pipes that aren't used frequently, like those in less-used areas of a building, may freeze more easily during extended cold periods.

To know more about freeze-thaw cycle:

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Other Questions

The atoms in a solid move about freely

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How did Marie Curie’s research in radioactivity benefit others while harming her

A car traveling with constant speed travels 150 km in 7200 s. What is the speed of the car?