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Black_prince [1.1K]
3 years ago
5

Water freezes at _____. 273°c -273°c 273 k -273 k

Physics
2 answers:
AURORKA [14]3 years ago
6 0
273 k hope this helps :)
vekshin13 years ago
5 0

Answer:

273

Explanation:

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A sophomore with nothing better to do adds heat to a mass 0.300 kg of ice at 0.0 âc until it is all melted.
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Mary and her younger brother Alex decide to ride the 26 ft diameter carousel at the State Fair. Mary sits on one of the horses i
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Answer:

a_M=1.92a_A

Explanation:

\omega_M=\omega_A = Angular speed

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r_A = Distance of Alex = 6 ft

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\dfrac{a_M}{a_A}=\dfrac{\omega_M^2r_M}{\omega_A^2r_A}\\\Rightarrow \dfrac{a_M}{a_A}=\dfrac{r_M}{r_A}\\\Rightarrow a_M=a_A\dfrac{r_M}{r_A}\\\Rightarrow a_M=\dfrac{11.5}{6}a_A\\\Rightarrow a_M=1.92a_A

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3 years ago
The barometric pressure at sea level is 30 in of mercury when that on a mountain top is 29 in. If the specific weight of air is
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To solve this problem we will apply the concepts related to pressure, depending on the product between the density of the fluid, the gravity and the depth / height at which it is located.

For mercury, density, gravity and height are defined as

\rho_m = 846lb/ft^3

g = 32.17405ft/s^2

h_1 = 1in = \frac{1}{12} ft

For the air the defined properties would be

\rho_a = 0.0075lb/ft^3

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We have for equilibrium that

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Replacing,

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Rearranging to find h_2

h_2 = \frac{(846)(32.17405)(\frac{1}{12}) }{(0.0075)(32.17405)}

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Practice
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Answer:

The answer is Letter B The car travel at a constant veloc

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