Phsc 121 test 3 Study guides, Class notes & Summaries

PHSC 121 Test 3 Questions with All Correct Answers We have seasons because? - Answer-The earth's axis of rotation is tilted 23.5 degrees relative to the ecliptic Which of the following is true of the vernal equinox? - Answer-the Sun is now crossing the equator into the northern hemisphere and the northern hemisphere begins to face toward the Sun. Which of the following is NOT true of the winter solstice? - Answer-the northern hemisphere receives the most direct sunlight of the year ...

PHSC 121 Test 3 Exam Questions All Solved We have seasons because? - Answer -The earth's axis of rotation is tilted 23.5 degrees relative to the ecliptic Which of the following is true of the vernal equinox? - Answer -the Sun is now crossing the equator into the northern hemisphere and the northern hemisphere begins to face toward the Sun. Which of the following is NOT true of the winter solstice? - Answer -the northern hemisphere receives the most direct sunlight of the year For so...

PHSC 121 Astronomy Exam 1 Definitions Correctly Answered 2024. Scientific method - CORRECT ANSWER 1. Observation 2. Hypothesis - an educated guess from observation to explain the phenomenon 3. Test the Hypothesis - many times! 4. Theory - developed from tested hypothesis 5. Natural Law - a theory tested over much time, many situations Constellation - CORRECT ANSWER pattern formed by the brighter stars in the sky (88 of them) Star - CORRECT ANSWER GREAT BIG BALL O GAS Planet - C...

Astronomy Chap 5 (Liberty University) (PHSC 121) Review Practice Test 2024. What is the orbital speed at Earth's surface? Ignore atmospheric friction. (Note: Earth's average radius is , Earth's mass is , 6370 km, Earth's mass is 5.97x 10(24) kg, G= 6.67 x 10(-11) m(3)/ kg x s(2) - CORRECT ANSWER 7900 m/s When you ride a fast elevator upward, you feel slightly heavier as the trip begins and slightly lighter as the trip ends. How is this phenomenon related to the equivalence principle?...