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3 years ago

Define homogeneous.

Physics

2 answers:

Radda [10]3 years ago

7 0

Homogeneous means of being likewise or some kind.

C, would be your answer.

Hope this helps!

arsen [322]3 years ago

7 0

Answer:

Composed of parts or elements that are all of the same kind

Explanation:

The mixture can be of two types i.e. homogeneous mixture and heterogeneous mixture.

The mixture that is composed of parts or elements that are all of the same kind are homogeneous mixture. The composition remains uniform throughout the mixture.

For example : air, vinegar, rainwater,steel are some examples of homogeneous mixture. Mouth wash is also a homogeneous mixture. It is a mixture of alcohol along with certain chemicals.

Hence, the correct option is (C) Composed of parts or elements that are all of the same kind.

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Calculate the volume of this regular solid. A cylinder labeled B at the top, 13 centimeters high with a radius of 4 centimeters.

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Answer:

The volume of the cylinder is $653.71\ \text{cm}^3$

Explanation:

Given that,

The height of the cylinder is 13 cm

Radius of the cylinder is 4 cm

We need to find the volume of the cylinder. The formula that is used to find the volume of a cylinder is given by :

$V=\pi r^2 h\\\\V=\dfrac{22}{7} \times (4)^2 \times 13\\\\V=653.71\ \text{cm}^3$

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3 years ago

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A rocket is launched upward with a constant acceleration of 165 m/s^2. After 8.00 seconds of ascension a passenger on the rocket

Novay_Z [31]

To solve this problem we will apply the concepts related to the linear kinematic movement. We will start by finding the speed of the body from time and the acceleration given.

Through the position equations we will calculate the distance traveled.

Finally, using this same position relationship and considering the previously found speed, we can determine the time to reach your goal.

For time (t) and acceleration (a) we have to,

$t = 8s, a = 165m/s^2$

The velocity would be,

$u = a*t \\u = 165*8\\u = 1320m/s$

Now the position is,

$h= \frac{1}{2} at^2$

$h = \frac{1}{2} 165*8^2$

$h = 5280m$

Now with the initial speed and position found we will have the time is,

$h=ut +\frac{1}{2} at^2$

$-5280=1320t - \frac{1}{2} 9.8t^2$

$4.9t^2-1320t-5280=0$

Solving the polynomian we have,

$t = 273.33s = 4.56minutes$

Therefore the rocket will take to hit the ground around to 4.56min

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3 years ago

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to do that resolve the velocity vector in the y direction
which is equal to [email protected]
27*√3/2 = 23.4 m/s
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v^2 = u^2 + 2as
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3 years ago

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lara31 [8.8K]

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zepelin [54]

Answer:

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Force of gravity=10N

\begin{gathered}\\ \sf\longmapsto Pressure=\dfrac{Force}{Area}\end{gathered}

⟼Pressure=

Area

Force

\begin{gathered}\\ \sf\longmapsto Pressure=\dfrac{10}{2.25}\end{gathered}

⟼Pressure=

2.25

\begin{gathered}\\ \sf\longmapsto Pressure=4.4Pa\end{gathered}

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3 years ago