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lions [1.4K]
3 years ago
8

Someone help me in science plz

Physics
1 answer:
NARA [144]3 years ago
7 0

Answer:

I would say Climate - A

Explanation:

Just looks like the logical thing.

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Two spherical objects at the same altitude move with identical velocities and experience the same drag force at a time t. If Obj
Anna35 [415]

Answer:

<em>The object with the twice the area of the other object, will have the larger drag coefficient.</em>

<em></em>

Explanation:

The equation for drag force is given as

F_{D} = \frac{1}{2}pu^{2}  C_{D} A

where F_{D} IS the drag force on the object

p = density of the fluid through which the object moves

u = relative velocity of the object through the fluid

p = density of the fluid

C_{D} = coefficient of drag

A = area of the object

Note that C_{D} is a dimensionless coefficient related to the object's geometry and taking into account both skin friction and form drag. The most interesting things is that it is dependent on the linear dimension, which means that it will vary directly with the change in diameter of the fluid

The above equation can also be broken down as

F_{D} ∝ P_{D} A

where P_{D} is the pressure exerted by the fluid on the area A

Also note that P_{D} = \frac{1}{2}pu^{2}

which also clarifies that the drag force is approximately proportional to the abject's area.

<em>In this case, the object with the twice the area of the other object, will have the larger drag coefficient.</em>

5 0
3 years ago
Isla made ice by putting water in the freezer. Freezing is an example of (2 points)
SSSSS [86.1K]

Answer:

a physical change

6 0
3 years ago
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Which of the above beak depth vs time graphs represent the change in finch beak depth that would occur due to successive years o
Alina [70]

Answer:

A

Explanation:

I just did it :)

6 0
4 years ago
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A positive and a negative charge are initially 4 cm apart. When they are moved closer together so that they are now only 1 cm ap
GarryVolchara [31]

Answer:

\boxed{\tt(b) \:  4  \: times  \: larger  \: than  \: before}

8 0
3 years ago
How do solar panels create electricity
xenn [34]

Answer:

They create electricity from the sun's  rays

Explanation:

By the use of "solar cells" or "solar panel", you can trap solar energy in silicon/germanium rods, then you can convert in into electricity too. Solar powered panels convert the sun's rays into electricity by exciting electrons in silicon cells using the photons of light from the sun. This electricity can then be used to supply renewable energy to your home or business.

5 0
3 years ago
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