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4 years ago

1. Describe the formation of the four types of fronts and the weather associated with each

Physics

1 answer:

JulijaS [17]4 years ago

6 0

1. Cold front

Warm front

Stationary front

Occluded front

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A golf ball is dropped from rest from a height of 9.50 m. It hits the pavement, then bounces back up, rising just 9.70 m before

ipn [44]

The ball is in the air for 27.70m because
9.5+9.7=19.2...
9.7-1.2=8.5...
19.2+8.5=27.70...

5 0

4 years ago

Four electrons are located at the corners of a square 10.0 nm on a side, with an alpha particle at its midpoint.

dimulka [17.4K]

The work done by the Coulomb force will be " $6.08\times 10^{-21} \ J$ ".

Let us define the required work done to move that alpha particle to the one of the mid point of the side length as follows.

→ $W = \frac{4kqQ}{r_1} -(\frac{2kqQ}{r_2} +\frac{2kqQ}{r_3} )$

→ $=2kqQ(\frac{2}{r_1} -\frac{1}{r_2} -\frac{1}{r_3} )$

→ $=2(8.99\times 10^9)(-1.6\times 10^{-19})(2)(1.6\times 10^{-19})$

→ $= (\frac{2}{\sqrt{(5\times 10^{-9})^2+(5\times 10^{-9})} } -\frac{1}{(5\times 10^{-9})} -\frac{1}{\sqrt{(10\times 10^{-9})^2} +(5\times 10^{-9})^2} )$

→ $= 6.08\times 10^{-21} \ J$

Thus the above answer is appropriate.

Learn more about work done here:

brainly.com/question/24716770

3 0

2 years ago

A 2kg mass is connected to a 5kg mass by a non stretchable string.

zaharov [31]

It would be seven kg

7 0

3 years ago

After watching a show about submarines, Jamil wants to learn more about the oceans. Which question could be answered through sci

krok68 [10]

Answer:

After watching a show about submarines, Jamil wants to learn more about the oceans. The question that could be answered through scientific investigation is What substances dissolve in ocean water?

<u>Explanation:</u>

Jamil's scientific investigation will help him learn about the various substances that can be dissolved in seawater. There is a large number of such substances. Salt is the most important component of seawater.

Sodium chloride is the most common substance. Besides it, magnesium chloride and calcium chloride are also dissolved in seawater. Seawater consists of a large number of gases also such as oxygen, nitrogen, carbon dioxide, etc.

4 0

3 years ago

Read 2 more answers

Identify each of the following clauses as independent or dependent:

gulaghasi [49]

Answer:

1st one is dependent

2nd is independent

3rd is dependent

4th is dependent

Explanation:

independent clauses are sentences that can be on their own and make sense dependent clauses don't make sense on their own

8 0

3 years ago