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larisa [96]
4 years ago
10

You decide to establish a new temperature scale on which the melting point of mercury (-38.9 °c ) is 0 °m, and the boiling point

of mercury (356.9 °c) is 100 °m. what would be the boiling point of water in m?
Physics
1 answer:
Fudgin [204]4 years ago
4 0

draw x,y axes.

x is deg M

y is deg C

0 of deg M = -38.9degC

100 >>> 356.9

draw st line 0,-38.9 to 100,356.9

slope is 3.95

line eq is degC = 3.95xdegM-38.9

set degC to 100. find degM

degM about 35 for boiling water

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Answer: The correct answer is "No".

Explanation:

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5 0
4 years ago
Space debris left from old satellites and their launchers is becoming a hazard to other satellites. (a) Calculate the speed of a
Pie

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Part a)

v = 7407.1 m/s

Part b)

v_{rel} = 1.05 \times 10^4 m/s

Explanation:

Part a)

As we know that orbital velocity at certain height from the surface of Earth is given as

v = \sqrt{\frac{GM}{R+h}}

here we know that

M = 5.98 \times 10^{24} kg

R = 6.37 \times 10^6 m

h = 900 km = 9.0 \times 10^5 m

now we have

v = \sqrt{\frac{(6.67 \times 10^{-11})(5.98 \times 10^{24})}{6.37 \times 10^6 + 9.0 \times 10^5}}

v = 7407.1 m/s

Part b)

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v_{rel} = \sqrt{2} v

v_{rel} = 1.05 \times 10^4 m/s

6 0
3 years ago
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