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3 years ago

When Earth is directly between the Moon and the Sun, a _____ tide will happen along a shoreline that is facing the Sun.

1 answer:

3 0

When the earth is directly between the Moon and the Sun, a Neap tide will happen along a shoreline that is facing the Sun.

In Neap tide moon is at closest distance to earth. The movement of moon cause sea storm/ tides by turbulence of waves.

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The observed a value for the diameter of a Hydrogen atom is 10.1 nm and the accepted value for this is 10 nm. Was you observatio

professor190 [17]

The value of the diameter of the hydrogen atom as we have it in this experiment is accurate because it is very close to the true value.

<h3>What is accuracy?</h3>

The term accuracy refers to how close the measured value is to the true value. The true value is the same as the accepted value. In this case, the true value of the diameter of a Hydrogen atom is 10 nm.

The fact that is observed value is obtained to be 10.1 nm implies that the value of the diameter of the hydrogen atom as we have it in this experiment is accurate because it is very close to the true value.

Learn more about accuracy:brainly.com/question/14244630

#SPJ1

3 0

2 years ago

A thin disk of mass 2.2 kg and radius 61.2 cm is suspended by a horizonal axis perpendicular to the disk through its rim. The di

Alinara [238K]

Answer: The period of the subsequent simple harmonic motion is 1.004 sec.

Explanation:

The given data is as follows.

Mass of disk (m) = 2.2 kg, radius of the disk (r) = 61.2 cm,

Formula to calculate the moment of inertia around the center of mass is as follows.

$I_{cm} = \frac{1}{2}mr^{2}$

= $\frac{1}{2} \times 2.2 kg \times (61.2)^{2}$

= 0.412 $kg m^{2}$

Also,

Distance between center of mass and axis of rotation (d) = r = 0.612 m

Moment of inertia about the axis of rotation (I)

I = $I_{cm} + md^{2}$

I = $0.412 + (2.2) \times (0.612)^{2}$

= 0.339 $kgm^{2}$

Now, we will calculate the time period as follows.

T = $2\pi sqrt{\frac{I}{mgd})$

T = $2 \times 3.14 sqrt{(\frac{0.339}{2.2 \times 9.8 \times 0.612}$

T = 1.435 sec

T = $2 \times 3.14 \times 0.16$

= 1.004 sec

Thus, we can conclude that the period of the subsequent simple harmonic motion is 1.004 sec.

7 0

3 years ago

Estimate the peak wavelength for radiation from ice at 273 k.

Andrews [41]

<h2>Answer: 10615 nm</h2>

Explanation:

This problem can be solved by the Wien's displacement law, which relates the wavelength $\lambda_{p}$ where the intensity of the radiation is maximum (also called peak wavelength) with the temperature $T$ of the black body.

In other words:

<em>There is an inverse relationship between the wavelength at which the emission peak of a blackbody occurs and its temperature.</em>

Being this expresed as:

$\lambda_{p}.T=C$ (1)

Where:

$T$ is in Kelvin (K)

$\lambda_{p}$ is the <u>wavelength of the emission peak</u> in meters (m).

$C$ is the <u>Wien constant</u>, whose value is $2.898(10)^{-3}m.K$

From this we can deduce that the higher the black body temperature, the shorter the maximum wavelength of emission will be.

Now, let's apply equation (1), finding $\lambda_{p}$ :

$\lambda_{p}=\frac{C}{T}$ (2)

$\lambda_{p}=\frac{2.898(10)^{-3}m.K}{273K}$

Finally:

$\lambda_{p}=10615(10)^{-9}m=10615nm$ This is the peak wavelength for radiation from ice at 273 K, and corresponds to the<u> infrared.</u>

8 0

3 years ago

The vibrations produced by a jackhammer are used to break up pavement. What type of waves did/does the jackhammer produce into t

klio [65]

<span>P waves

P-waves are sometimes called pressure waves, and sometimes they are called longitudinal waves. P-waves are transmitted through the Earth’s interior with a backwards and forwards motion along the line of travel, by alternating compression and dilatation. A jack hammer creates P-waves. They are capable of passing through any type of material they encounter, including the liquid of the Earth’s outer core, although they
will be bent and deflected when they pass across the boundaries separating
layers of different densities.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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8 0

4 years ago

How would radiation occur in space?

Marizza181 [45]

Answer:

Space radiation is made up of three kinds of radiation: particles trapped in the Earth's magnetic field; particles shot into space during solar flares (solar particle events); and galactic cosmic rays, which are high-energy protons and heavy ions from outside our solar system.

Explanation:

3 0

3 years ago