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3 years ago

HELP ASAP!!!! SCIENCE LOVERS !!! What do the lines making a circle around the LOW-PRESSURE area indicate?

Physics

2 answers:

Degger [83]3 years ago

5 0

1 is D.
2 is A.

hope i helped

brilliants [131]3 years ago

4 0

your answer is wrong

the correct answer is

1 C.

2. warm and rainy

i just took the quiz

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Newton’s law of cooling states that dx dt = −k(x−A) where x is the temperature,t is time, A is the ambient temperature, and k &g

lys-0071 [83]

Answer:

a) $X= kA_o\dfrac{1}{k^2+\omega^2}\left ( kcos\omega t+\omega sin\omega t \right )+Ce^{-kt}$

b)Does not affect the long term.

Explanation:

Given that

$\dfrac{dx}{dt}=-k(x-A)$

A = A0 cos(ωt)

$\dfrac{dx}{dt}=-k(x-A_o cos(\omega t))$

$\dfrac{dx}{dt}+kx=kA_o cos(\omega t)$

This is linear equation so integration factor ,I

$I=e^{\int kdt}$

$I=e^{kt}$

Now by using linear equation property

$e^{kt} X=\int e^{kt} kA_o cos(\omega t) dt +C$

$e^{kt} X= kA_o \dfrac{e^{kt}}{k^2+\omega^2}\left ( kcos\omega t+\omega sin\omega t \right )+C$

$X= kA_o\dfrac{1}{k^2+\omega^2}\left ( kcos\omega t+\omega sin\omega t \right )+Ce^{-kt}$

at t= 0

$X(0)=\dfrac{k^2A_o}{\omega^2+k^2}+C$

$X= kA_o\dfrac{1}{k^2+\omega^2}\left ( kcos\omega t+\omega sin\omega t \right )+e^{-kt}\times \left ( X(0)-\dfrac{k^2A_o}{\omega^2+k^2} \right )$

So the initial condition does not affect the long term.

5 0

4 years ago

Why is a pencil bent when bent in water

wel

Answer:

Refraction

Explanation:

A pencil bends when it enters the water media due to the phenomenon of refraction.

Refraction is one of the properties of waves.
Refraction of light occurs which it crosses from a region having different density values.
Water is denser than air.
As light moves from air to wave it becomes refracted

5 0

3 years ago

Which of the following lists arranges the colors of light from highest energy to lowest energy?

Afina-wow [57]

So, for the visible range, the colors are arranged in order of increasing frequency like this: Red < Orange < Yellow < Green < Blue < Indigo < VIolet.

3 0

3 years ago

it is a science question and the question is that which type of cloud would most likely produce a thunderstorm

Vika [28.1K]

A cumulonimbus cloud most likely would.

4 0

4 years ago

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Under very dim levels of illumination foveas react to increase the sensitivity of the optic nerve. rods are more light-sensitive

Alex777 [14]

Answer:

rods are more light sensitive than cones.

Explanation:

There are two types of photo receptors in retina of our eyes. 1 Rods and 2 Cones. Rods are about 120 million and they are more sensitive then the cones. But the rods are not sensitive to color. Cones help us in seeing the color and there are about 6 to 7 million cones that provide color sensitivity to our eyes. That is why in the dark or where their are dim levels of illumination rods provide us scotopic vision. Because rods are more light sensitive then the cones.

7 0

4 years ago

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