During winter, the North Pole has how many hours of sunlight? O 0 hours O 24 hours O 12 hours O it varies year to year
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Step 1: The North Pole experiences a period of 24 hours of darkness during the winter solstice. Show more…
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6. The time between today's sunrise and tomorrow's sunrise would be loan a. 12 hours b. 24 hours c. 30 hours 7. Which of these best shows that the Earth revolves around the sun 8. The rotation of the Earth on its axis causes a. seasons b. years c. day and night
Madhur L.
a. The observer will rotate from the noon sun along his degree of altitude. Will the observer on the Tropic of Capricorn still be on the ecliptic plane at midnight on December 21? b. Santa Barbara is located at 34 degrees north latitude. On December 21, how many degrees does the sun appear below the overhead at noon? c. The sun illuminates one hemisphere of the Earth at all times. Draw a line that is through the center of the Earth and also perpendicular to the ecliptic plane. This line is called "the terminator". Use your pencil to shade in the darkened hemisphere of the Earth. d. As the observer travels north, his time of rotation in the sunlight decreases. At what degree of latitude will he encounter 24 hours of darkness? This degree of latitude is called the Arctic Circle. Add it to the diagram in question c. How many degrees is it from the Arctic Circle to the North Pole?
Sri K.
On the Arctic Circle, there are 24 hours of daylight on the summer solstice, June 21 (the 173rd day of the year), and 24 hours of darkness on the winter solstice, December 21 (day -10 and day 355 ). There are 12 hours of daylight and 12 hours of darkness midway between the summer and winter solstices (days 81 and 264 ). a. What are the maximum and minimum hours of daylight in the Arctic Circle? Use these values to calculate the amplitude and average value of the hours of daylight cycle. b. Calculate the period and horizontal shift of the hours of daylight cycle. Use these values to calculate the parameters $b$ and $c$ for a model of the form $f(x)=a \sin (b x+c)+d$ c. Use the constants from parts $a$ and $b$ to construct a sine model for the hours of daylight in the Arctic Circle.
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