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4 years ago

In 40 words or fewer, summarize the connection between kinetic and thermal energy. PLEASE REPLY

Physics

1 answer:

xz_007 [3.2K]4 years ago

8 0

Answer:

Explanation:

kenetic is made for thermal things

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Calculate the centripetal force exerted on the earth by the sun. Assume that the period of revolution for the earth is 365.25 da

Doss [256]

Answer:

F = 3.55 x 10²² N

Explanation:

average distance of sun from earth = 1.5 × 10⁸ km

mass of earth = 6 x 10²⁴ kg

time = 365.25 days

distance = 2 π r

distance = 2 π x 1.5 x 10¹¹ m

= 3 π x 10¹¹ m

$v = \dfrac{d}{t}$

$v = \dfrac{3 \pi \times 10^{11}}{365.25 \times 24 \times 60 \times 60}$

v = 2.98 x 10⁴ m/s

we know centripetal force

$F = \dfrac{mv^2}{r}$

$F = \dfrac{6 \times 10^{24}\times (2.98\times 10^4)^2}{1.5\times 10^{11}}$

F = 3.55 x 10²² N

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3 years ago

Which of the following objects would absorb the most light?

RSB [31]

A an opanque object is compared to a black T shirt

7 0

3 years ago

what will be the focal lenght of a combined lens made by contact of two lenses of power +3D and -2D.

4vir4ik [10]

P_1=+3D
P_2=-2D

$\\ \bull\tt\dashrightarrow P=P_1+P_2$

$\\ \bull\tt\dashrightarrow P=+3D-2D=+1D$

Now

$\\ \bull\tt\dashrightarrow f=\dfrac{1}{P}$

$\\ \bull\tt\dashrightarrow f=\dfrac{1}{1}$

$\\ \bull\tt\dashrightarrow f=1m$

3 0

3 years ago

Suppose that the average speed (vrms) of carbon dioxide molecules (molar mass 44.0 g/mol) in a flame is found to be 2.67 105 m/s

34kurt

Answer:

$T = 1.26 \times 10^8 K$

Explanation:

As we know that rms speed of ideal gas is given by the formula

$v_{rms} = \sqrt{\frac{3RT}{M}}$

here we know that

$v_{rms} = 2.67 \times 10^5 m/s$

molecular mass of gas is given as

$M = 44 g/mol = 0.044 kg/mol$

now from above formula we have

$2.67\times 10^5 = \sqrt{\frac{3(8.31)T}{0.044}}$

now we have

$T = 1.26 \times 10^8 K$

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4 years ago

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makkiz [27]

The concept map is given in the attachment:

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3 years ago

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