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sveta [45]
3 years ago
13

French jrnf;kwnb;vnkj2wert

Physics
1 answer:
dangina [55]3 years ago
4 0

Answer:

???

Explanation:

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A zone plate is found to give series of images of a point source on its axis. If the strongest and the second strongest images a
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Hi have a wonderful day GOD love you
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3 years ago
Every few years, winds in Boulder, Colorado, attain sustained speeds of 45.0 m/s (about 100 miles per hour) when the jet stream
emmainna [20.7K]

Answer:

271248.75 N

Explanation:

\rho = Density of air = 1.14 kg/m³

v = Velocity of wind = 45 m/s

A = Area = 235 m²

From Bernoulli's principle we have the relation

P_1-P_2=\frac{1}{2}\rho v^2\\\Rightarrow \Delta P=\frac{1}{2}1.14\times 45^2\\\Rightarrow \Delta P=1154.25\ Pa

Force is given by

F=PA\\\Rightarrow F=1154.25\times 235\\\Rightarrow F=271248.75\ N

Force due to the jet stream on the roof is 271248.75 N

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3 years ago
The following figures show four stages that occur during the formation of a one-solar-mass star. Rank these stages based on the
trasher [3.6K]

Answer:

-main-sequence star

-protostar with jets

-contracting cloud trapping infrared light

-molecular-cloud fragment

Explanation:

The Life of a Star of about one Solar Mass. Small stars have a mass upto  1 1/2 times that of the Sun. Stars are planetary bodies that revolve in space. They are the combination of hydrogen and helium gases

seven main stages of a star formation are

A Giant Gas Cloud. A star begins life as a large cloud of gas. ...

A Protostar Is a Baby Star. ...

The T-Tauri Phase. ...

Main Sequence Stars. ...

Expansion into Red Giant. ...

Fusion of Heavier Elements. ...

Supernovae and Planetary Nebulae.

But ranking them according to  the central temperature, from highest to lowest. will be

-main-sequence star

-protostar with jets

-contracting cloud trapping infrared light

-molecular-cloud fragment

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3 years ago
The mass of 60 paper clips is 18.0 grams. What is the mass of one paper clip?
Ne4ueva [31]

Answer:

3.333333333333333333333333333333333333333

Explanation:

3.3333333333333333333333333333333333

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3 years ago
A power drill uses 13.73 amps of current and has a power rating of 1140 watts. What voltage does the drill require
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7amps cause of how fast the drill is going
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3 years ago
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