Which was more difficult to determine (latitude or longitude) and why?

1 answer:

7 0

Longitude was. Determining longitude requires knowing the exact time of day, which was difficult prior to modern clocks. The source book below tells the story of Englishman John Harrison's life-long pursuit of building a reliable clock and its importance to navigation.

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Uranium-235 has 92 protons. How many neutrons does it have?

Mrrafil [7]

Answer:

146 neutrons.

Explanation:

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3 0

4 years ago

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The speed of light in space is 3.00 x 10^8 m/s. The time for light from the sun to reach earth is 8mins and 20 seconds. Therefor

just olya [345]

Answer:

C. 1.50×10¹¹ m

Explanation:

First, convert the time to seconds.

8 min × (60 s/min) + 20 s = 500 s

Distance = speed × time

d = (3×10⁸ m/s) (500 s)

d = 1.50×10¹¹ m

6 0

4 years ago

Which theory proposes that the moon was a passing asteroid pulled into orbit by Earth's gravity? impact theory co-formation theo

sergey [27]

Impact theory is the idea that the moon was formed by a collision between the Earth and another body.

The capture theory is the idea that the moon formed somewhere else in the solar system. The theory proposed that the moon was just an asteroid pulled into orbit by the Earth.

Co-formation is a theory that proposes that the Earth and the moon formed around the same time as each other from a primitive solar nebulae.

The answer to your question then is CAPTURE THEORY.

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4 years ago

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An elevator cab is pulled directly upward by a single cable. The elevator cab and its single occupant have a mass of 2300 kg. Wh

Murrr4er [49]

Answer:

15.64 KN

Explanation:

mass of the elevator cab with a single occupant= 2300 kg

acceleration relative to the cab $a_{ce}$ = 6.80 m/s^2