3 years ago

Which of the following statements are examples of positive peer pressure?

Physics

2 answers:

Crazy boy [7]3 years ago

5 0

Answer:

C and D

Explanation:

have a great day

Lyrx [107]3 years ago

5 0

C and D
Hope this helps!

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A fluid in an aquifer is 23.6 m above a reference datum, the fluid pressure (in gage pressure) is 4390 n/m2 and the flow velocit

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As per Bernuolli's Theorem total energy per unit mass is given as

$\frac{P}{\rho} + \frac{1}{2}v^2 + gH = E$

now from above equation

$P = 4390 N/m^2$

$\rho = 0.999 * 10^3$

$v = 7.22 * 10^{-4} m/s$

$H = 23.6 m$

now by above equation

$\frac{4390}{0.999*10^3} + \frac{1}{2}*(7.22*10^{-4})^2 + 9.8*23.6 = E$

$E = 235.7 J/kg$

Part B)

Now energy per unit weight

$U = \frac{E}{g}$

$U = \frac{235.7}{9.8}$

$U = 24 m$

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3 years ago

A wind turbine is a machine that spins when the wind blows. The turbine blades are attached to a

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Answer: B, increase the rate at which he turns the crank

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2 years ago

Which of two factors influence the weight of an object due to gravitational pull?

Tresset [83]

The masses of the object and the planet it's on, and the distance between their centers.

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A merry go round (mass of 200kg and radius 5m) is rotating so that the outside edge is moving 10m/s. A giant bug of 6kd at a dis

romanna [79]

Answer:

2 rad/s

Explanation:

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where $\omega$ is the angular velocity and $r$ is the radius.

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$\omega=\dfrac{10 \text{ m/s}}{5 \text{ m}} = 2 \text{ rad/s}$

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Velocity:

60 meters/ 5 seconds= 12 meters/second

Velocity=12meters/second

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