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ohaa [14]
3 years ago
13

Which of these actions would increase heat transfer between two objects?

Physics
2 answers:
sergejj [24]3 years ago
7 0

Answer:

b- increases the area of their contact

Explanation:

i did it in edge! ; )

Kaylis [27]3 years ago
3 0

Answer:

Increasing the area of their contact.

Explanation:

Just took the test and it was right.

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A musical chord consists of several notes, each formed by a sound wave of a different frequency. The three graphs show the patte
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If a chord had notes with frequencies of 100, 1,000, and 6,000 Hz, the basilar membran would vibrate at multiple positions, with peaks at A, B, and C.

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2. What is the percent composition of sulfur in H2SO4?
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C. 32.7%

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Why do we travel to the moon?​
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Find a numerical value for ρearth, the average density of the earth in kilograms per cubic meter. use 6378km for the radius of t
Andre45 [30]

Answer:

5501 kg/m^3

Explanation:

The value of g at the Earth's surface is

g=\frac{GM}{R^2}=9.70 m/s^2

where G is the gravitational constant

M is the Earth's mass

R=6378km = 6.378 \cdot 10^6 m is the Earth's radius

Solving the formula for M, we find the value of the Earth's mass:

M=\frac{gR^2}{G}=\frac{(9.81 m/s^2)(6.378\cdot 10^6 m)^2}{6.67\cdot 10^{-11}}=5.98\cdot 10^{24}kg

The Earth's volume is (approximating the Earth to a perfect sphere)

V=\frac{4}{3}\pi r^3 = \frac{4}{3}\pi (6.378\cdot 10^6 m)^3=1.087\cdot 10^{21} m^3

So, the average density of the Earth is

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4 years ago
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