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Nezavi [6.7K]
2 years ago
5

Anyone could answer this question

Physics
1 answer:
Kruka [31]2 years ago
3 0
I believe it is crude birth rate :)
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Human-Powered Flight Human-powered aircraft require a pilot to pedal, as in a bicycle, and produce a sustained power output of a
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Answer:

# of Snickers bars 2

Explanation:

Power output= 0.30 HP

=0.3*746

= 0.30 HP (746 W=1.00 HP)

= 224 W

time required 2 h 49 m = 10140 seconds

Since power is work divided by time, then work is:

Work done by the jet = P*t

= 224 *(10140)

= 2.3 MJ (2.3 x 10^{6} J)

Converting MJ to Cal

2.3 MJ=549 Cal

# of Snickers bars = 549 Cal / 280 Cal

= 2.0 bars (rounded from 1.96)

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3 years ago
What scientist was the first to propose the heliocentric model of the universe
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This theory was first proposed by Nicolaus Copernicus. Copernicus was a Polish astronomer. He first published the heliocentric system in his book: De revolutionibus <span>orbium </span>coelestium<span> , "On the revolutions of the heavenly bodies," which appeared in 1543.</span>
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3 years ago
8. Differentiate between each of these land designations made during the Progressive Era:
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Answer:djhssnjsksksmksjsbhddbd

Explanation:

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7 0
4 years ago
while looking at a graph, you notice a period of time where the line is perfectly horizontal what is most likely taking place du
aev [14]

Answer:

where the y axis is

Explanation:

In more simple terms, a horizontal line on any chart is where the y-axis values are equal. If it has been drawn to show a series of highs in the data, a data point moving above the horizontal line would indicate a rise in the y-axis value over recent values in the data sample.

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3 years ago
A force of 50 N ,at an angle of 20°,was applied while pulling a 30 kg sled horizontally across the snow. If 939.69 J of work was
artcher [175]

Answer:

20m

Explanation:

w = f × d

= (50cos20) × d

therefore, d = 20m

6 0
3 years ago
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