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Rufina [12.5K]
3 years ago
5

Alexis is a scientist who is studying solid-state physics. Which activity would she most likely do as a part of this research? O

identifying the optimal vessel for containing carbon dioxide O studying the atomic structure of solid carbon dioxide O determining the effect of pressure on the volume of carbon dioxide O observing the natural state of carbon dioxide​
Physics
1 answer:
Ann [662]3 years ago
8 0

Answer:

pretty sure its studying the atomic structure of a solid carbon dioxide. so c

Explanation:

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You must exert a force of 5N on a book to slide it across a table.If you do 2.5 J of work in the process, how far has the book m
I am Lyosha [343]

Answer:

0.5 m.

Explanation:

From the question given above, the following data were obtained:

Force (F) = 5 N

Work done (W) = 2.5 J

Distance (s) =?

Workdone is simply defined as the product of force (F) and distance (s) moved in the direction of the force. Mathematically, it is expressed as:

Work done (W) = Force (F) × Distance (s)

W = F × s

With the above formula, we can obtain the distance to which the book has moved as follow:

Force (F) = 5 N

Work done (W) = 2.5 J

Distance (s) =?

W = F × s

2.5 = 5 × s

Divide both side by 5

s = 2.5/5

s = 0.5 m

Therefore, the book moved 0.5 m when the force was applied.

3 0
4 years ago
1. A book resting on a shelf was found
Alex

Answer:

12J

Explanation:

Right before it hits the ground, the initial potential energy and the final kinetic energy will equal each other due to conservation of energy.

3 0
3 years ago
An airplane is flying through the air at a speed of 150 mph at a heading of 60 degrees. if the wind is blowing at 20 mph from th
Crazy boy [7]

Answer:

Explanation:

Given

speed of plane 150 mph

heading 60^{\circ}

wind is blowing at 20 mph from south-east

velocity of plane w.r.t. wind

v_{pw}=150(\cos 60\hat{i}+\sin 60\hat{j})

v_{w}=20(\cos 45\hat{i}-\sin 45\hat{j})

v_{p}=v_{pw}+v_{w}

v_{p}=(150\cos 60+20\cos 45)\hat{i}+(150\sin 60-20\sin 45 )\hat{j}

v_{p}=89.14\hat{i}+115.76\hat{j}

|v_{p}|=146.103 m/s

(b)after 30 minutes

Plane traveled in  x direction =89.14\times 0.5=44.57 miles

Plane in Y direction =115.76\times 0.5=57.88 miles

Total distance=\sqrt{x^2+y^2}=73.05 miles

direction tan\theta =\frac{115.76}{89.14}=1.298

\theta =52.38^{\circ} w.r.t east

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3 years ago
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Artyom0805 [142]
Heat rises therefore the heat from the fire rises up to your hand... i didnt have any answer choices to work with sorry
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