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3 years ago

a particle moves in an elliptical or circular motion. it is most likely a particle in which type of wave

1 answer:

5 0

Surface waves from an earthquake shake the ground back and forth and up and down. So basically in a circular motion. This wave is the most dangerous wave released during and earthquake and it comes after the p and s waves. The Surface wave is the last wave that comes after the other 2. So yea' these surface waves move in a circular motion.

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As you move from left to right across a period the number of valances electrons

oksian1 [2.3K]

The valence electrons increase as you move left to right.

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3 years ago

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A 2.98 nF parallel-plate capacitor is charged to an initial potential difference of 49 V and then isolated. The dielectric mater

I am Lyosha [343]

Answer:

Potential difference will be 151.9 volt

Explanation:

We have given capacitance of the capacitor $C=2.98nF=2.98\times 10^{-9}F$

Voltage V = 49 Volt

Dielectric constant K = 3.1

We have to find the potential difference

We know that when a dielectric medium is introduced then p[otential difference is increases by k times

As the dielectric constant k = 3.1

So potential difference will be = 3.1×49 = 151.9 volt

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Which type of galaxy has the most active star formation?

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That answer is spiral galaxies

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Which best describes the electric field created by a positive charge?

Vlad [161]

Its rays point away from the charge

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Suppose you pour 0.250 kg of 20.0°C water into a 0.600 kg aluminum pan off the stove with a temperature of 173°C. Assume that th

lapo4ka [179]

Answer:

$T_f=5.0116^{\circ}C$

Explanation:

Given:

mass of water, $m_w=0.25\ kg$

initial temperature of water, $T_i_w=20^{\circ}C$

initial temperature of pan, $T_i_p=173^{\circ}C$

mass of pan, $m_p=0.6\ kg$

mass of water evapourated, $m_v=0.03\ kg$

specific heat of water, $c_w=4186\ J.kg^{-1}.K^{-1}$

specific heat of aluminium pan, $c_a=900\ J.kg^{-1}.K^{-1}$

latent heat of vapourization, $L=2256000\ J.kg^{-1}$

<u>Using the equation of heat:</u>

<em>Here, initially certain mass of water is vapourised first and then the remaining mass of water comes in thermal equilibrium with the pan.</em>

$m_p.c_a.(T_{ip}-T_f)=m_v.L+(m_w-m_v).c_w.(T_f-T_{iw})$

$0.6\times 900\times (173-T_f)=0.03\times 2256000+(0.25-0.03)\times 4186\times (T_f-20)$

$T_f=5.0116^{\circ}C$

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3 years ago