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Anestetic [448]

3 years ago

8

Why do tall tree collaspe in stroms

2 answers:

amm18123 years ago

7 0

I don’t know why I’m here

NemiM [27]3 years ago

6 0

Answer:

Tall trees are more likely to fall during strom than short trees

Explanation:

<em>Hope</em><em> </em><em>its</em><em> </em><em>help</em><em> </em><em>for</em><em> </em><em>you</em><em>.</em><em>Keep</em><em> </em><em>smiling</em><em> </em><em>stay</em><em> </em><em>safe</em><em>,</em><em>stay</em><em> </em><em>healthy</em><em>.</em>

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What are the uses of magnetic force?

mina [271]

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Computer hard drives use magnetism to store the data on a rotating disk. More complex applications include: televisions, radios, microwave ovens, telephone systems, and computers. An industrial application of magnetic force is an electromagnetic crane that is used for lifting metal objects.

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An object weighs 200N, what is its mass?

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A ball bounces changing velocity from vi=15m/s[D] to vf=15m/s[U] in t=0.01s. The balls acceleration is *

fomenos

Answer:

Option (A) is correct

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3 years ago

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Conduction is heat in solids and liquids by _______

elena55 [62]

The answer is gases.

hope this help

4 0

3 years ago

A nonconducting solid sphere of radius 8.40 cm has a uniform volume charge density. The magnitude of the electric field at 16.8

mina [271]

Answer:

The sphere's volume charge density is 2.58 μC/m³.

Explanation:

Given that,

Radius of sphere R= 8.40 cm

Electric field $E= 2.04\times10^{3}\ N/C$

Distance r= 16.8 cm

We need to calculate the sphere's volume charge density

Using Gauss's law

$\int{\vec{E}\cdot\vec{da}}=\dfrac{Q_{enc}}{\epsilon_{0}}$

$E\times 4\pi r^2=\dfrac{1}{\epsilon_{0}}\times\dfrac{4}{3}\piR^3\rho$

$E=\dfrac{\rho R^3}{3\epsilon_{0}r^2}$

$\rho=\dfrac{3\times E\times\epsilon_{0}r^2}{R^3}$

Put the value into the formula

$\rho=\dfrac{3\times2.04\times10^{3}\times8.85\times10^{-12}\times(16.8\times10^{-2})^2}{(8.40\times10^{-2})^3}$

$\rho=2.58\times10^{-6}\ C/m^3$

$\rho=2.58\ \mu C/m^3$

Hence, The sphere's volume charge density is 2.58 μC/m³.

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4 years ago