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3 years ago

Using your strategy to overcome your obstacle.

Physics

2 answers:

Rama09 [41]3 years ago

7 0

Answer:

Don’t complain. People don’t want to hear woe is me over and over again, especially if you do nothing about it. However, do ask for help and for suggestions from others that may have been in similar situations. You have to be willing to help yourself. People can’t do it for you.

Explanation:

USPshnik [31]3 years ago

6 0

Answer:

buena suerte con las citas del futuro

Explanation:

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Heat always flows from a what place to a what place

Vera_Pavlovna [14]

Answer:

Heat is always the transfer of energy from an object at a higher temperature to an object at a lower temperature.

Explanation:

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3 years ago

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Depict the following path: You drive 14 blocks East, 7 blocks North, and 2 blocks West. Use the vertex of the graph (coordinates

horrorfan [7]

Answer:

Displacement = $12\hat{i} +7\hat{j}$

Magnitude of displacement = 13.89 units

Angle of displacement = 30.26°

Explanation:

Mark the co-ordinates of each of the end points of the vectors.

The marked co-ordinates are shown below.

Displacement is the shortest distance between two points. Here, displacement between the starting and end points is the vector $\overrightarrow{OA}$ .

Displacement vector for a point A $(x,y)$ from origin O is given as:

$\overrightarrow{OA}=(x-0)\hat{i}+(y-0)\hat{j}$

Magnitude is given as:

$|\overrightarrow{OA}|=\sqrt{x^{2}+y^{2}}$

Direction of the vector is given as:

$\theta=tan^{-1}\frac{y}{x}$

Therefore, displacement vector is:

$\overrightarrow{OA}=(12-0)\hat{i}+(7-0)\hat{j}\\ \overrightarrow{OA}=12\hat{i}+7\hat{j}$

Magnitude of displacement is given as:

$|\overrightarrow{OA}|=\sqrt{x^{2}+y^{2}}\\ |\overrightarrow{OA}|=\sqrt{12^{2}+7^{2}}\\ |\overrightarrow{OA}|=\sqrt{144+49}\\\\ |\overrightarrow{OA}|=13.89$

Angle of displacement is:

$tan\theta=\frac{y}{x} =\frac{7}{12}\\\theta=tan^{-1}(\frac{7}{12})$

$\theta=30.26$ °

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4 years ago

A weather forecaster uses a computational model on a Monday to predict the weather on Friday. Why might that forecast change? (1

grandymaker [24]

Answer:

(d) is your answer for your question

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3 years ago

A person using an oxygen mask is breathing air that is 33% oxygen. what is the partial pressure of the o2, when the air pressure

yawa3891 [41]

The partial pressure of the O2 is 36.3 kiloPascal when the air pressure in the mask is 110 kiloPascal based on the isotherm relation. This problem can be solved by using the isotherm relation equation which stated as Vx/Vtot = px/ptot, where V represents volume, p represents the pressure, x represents the partial gas, and tot represents the total gas<span>. Calculation: 33/100 = px/110 --> px = 36.3</span>

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3 years ago

Which statement is the most correct statement about a gas

nika2105 [10]

Gasses take the shape of their container.

A gas fills a container which takes both the shape and the volume of that container.

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4 years ago

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