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3 years ago

Preston goes on a camel safari. There, he travels 5 km north, then 3 km east.

Physics

2 answers:

sammy [17]3 years ago

6 0

7777Answer:

Explanation:

Oduvanchick [21]3 years ago

6 0

Ok but what’s the question?

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Biologists think that some spiders "tune" strands of their web to give enhanced response at frequencies corresponding to those a

Nat2105 [25]

Answer:

Explanation:

Given

diameter $d=20 \mu m$

density $\rho =1300 kg/m^3$

frequency $\nu =150 Hz$

Length of silk strand $L=14 cm$

Velocity in the string is as follows

$\nu =\sqrt{\frac{T}{\mu }}$

The expression for Fundamental Frequency

$f=\frac{\nu }{2l}$

$f=\frac{1}{2l}\times \sqrt{\frac{T}{\mu }}$

$f=\frac{1}{2l}\times \sqrt{\frac{T}{\frac{m}{l}}}$

$f=\frac{1}{2l}\times \sqrt{\frac{Tl}{\rho V}}$

Squaring

$f^2=\frac{1}{4l^2}\times \frac{Tl}{\rho V}$

$T=4\rho \cdot A\cdot l^2\cdot f^2$

$T=4\times 1300\times \frac{\pi }{4}(20\times 10^{-6})^2\times (0.14)^2\times 150^2$

$T=7.2\times 10^{-4} N$

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3 years ago

Which best compares radiation and conduction?

Mamont248 [21]

Answer:

Both transfers thermal energy from warm objects to cooler objects

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2 years ago

What two properties show that the drink is a fluid ( girl drinking fruit punch out of a clear glass cup with a straw.)

Ainat [17]

It takes the shape of the cup and it can be sucked through a straw

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3 years ago

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Which is a true statement?

aivan3 [116]

Hi! The answer is ‘B’! Because the nucleus is found at the center and contains protons (positive charge) and neutrons (no charge)

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3 years ago

Describe the main differences between the composition of Earth and that of the Sun.

kakasveta [241]

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Whereas the sun is entirely comprised of hydrogen and helium gas, of which hydrogen is the dominant one. It has an extremely high temperature of about 5500°C.

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3 years ago