PHYSICS HIGH SCHOOL

Which type of thunderstorm forms in a narrow band that's about 10 to 20 miles wide? A. Single-cell thunderstorm


B. Multi-cell line


C. Multi-cell cluster


D. Supercell

Answers

Answer 1
Answer:

Answer:

B. Multi-cell line

Explanation:

A multi-cell line, or how it is more commonly known, a squall line, is basically a group of storms forming a line, like a bow, they have been seen to cover  hundreds of miles long but usually only 10 or 20 miles wide.

It is theorized that this is because when a cyclone is formed, there are two forces of "wind" one ahead and one behind, concentrating air masses as if the winds were "squishing" them to form a line.
Answer 2
Answer:

Answer: Multi-cell Line

Explanation:

Multi-cell line storms form in a long, narrow line. While multi-cell lines may be just 10 to 20 miles wide, they can be hundreds of miles long. Multi-cell lines are known as "squall lines."

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A precipitation reaction is a reaction between two aqueous __________ that results in the formation of a solid compound.

Answers

It is between 2 aqueous solutions that results in a formation of a solid compound

Answer:

A precipitation reaction is a reaction between two aqueous Solutions that results in the formation of a solid compound.

Explanation:

A trunk is dragged 3.0 meters across an attic floor by a force of 2.0 N. How much positive work is done on the trunk?

Answers

6.0 J is the answer you're looking for 

An Olympic sprinter can go from a state of rest to 11 meters per second in 10 seconds. What is the average acceleration of the sprinter? A.
0.9 m/s

B.
110 m/s

C.
110 m/s²

D.
1.1 m/s²

Answers

Answer

Average accleration is 1.1 m/s² .

Option (D) is correct .

Explanation:

Formula

Average\ accleration = (v_(final)-v_(initial))/(t_(final)-t_(initial))

As given

An Olympic sprinter can go from a state of rest to 11 meters per second in 10 seconds.

v_(initial) = 0\ meter\ per\ second

v_(final) = 11\ meter\ per\ second

t_(initial) = 0\ second

t_(final) = 10\ second

Putting all the values in the formula

Average\ accleration = (11-0)/(10-0)

Average\ accleration = (11)/(10)

Average accleration = 1.1 meter per second²

Therefore Average accleration is 1.1 m/s² .

Option (D) is correct .


an Olympic sprinter can go from a state of rest to 11 meters per second in 10 seconds. 1.1 m/s² is the average acceleration of the sprinter

At a constant pressure and a temperature of 280 K, the gas in a cylinder has a volume of 10.0 liters. If the volume of the gas is increased to 20.0 liters, what is the new temperature? 2800 K 28 K 140 K 560 K

Answers

560K I believe is the answer

Material speed of lightspace 3 x 108 m/s
water 2.25 x 108 m/s
glass 2 x 108 m/s
air 3 x 108 m/s

Light moves from air into a new material. The greatest refraction would occur when light passes through which material?
A) air
B) glass
C) water
D) It would refract the same amount in each material.

Answers

The question is poor. Light doesn't refract on its way THROUGH anything. It refracts at the boundary BETWEEN two different media. The effect is greatest where the ratio of the speeds of light in the two media is greatest. On your list, that would be at the boundary between air or space and glass.

Answer: I think the answer is B glass.

Explanation: Because Glass is light.

Find the wavelength of a 26 Hz sound wave traveling through air at 20ºC. Hint: speed of sound at 20ºC = 343 m/s

Answers

The correct answer for the question that is being presented above is this one: "B. 13m." 

The formula of wave velocity is this:
wave velocity = f * λ
λ = v / f
λ = 343m/s / 26Hz
λ = 13.20m .. ans (b) 

Here are the following choices:
A. 5m 
B. 13m 
C. 28m 
D. 58m 
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