A high tide is occurring at Charleston, South Carolina (80W, 33N). What two longitudes are experiencing low tide?
a. 10E and 170E
b. 10W and 170W
c. 10E and 170W
d. 10W and 170E
[Ques. 2] For normal vision, an object can be seen clearly when it is beyond the
a. far point.
b. nearsighted point.
c. farsighted point.
d. near point.
[Ques. 3] Captain Ray, on the Galactic Explorer, sets off bright signal lights at the two ends of his spaceship so that they are seen as flashing simultaneously by General Kay, who is watch the ship go by. General Kay concludes that she was next to the midpoint of the ship at the instant when the lights flashed in her reference frame. This can only happen if Captain Ray, at the center of the Galactic Explorer,
a. sees the lights flash simultaneously in his coordinate system.
b. sees the bow (front) light flash before the aft (rear) light.
c. sees the aft (rear) light flash before the bow(front light.
d. can calculate that the light flashes reach General Kay so that the flash from the bow light reaches her before the flash from the aft light.
e. can calculate that the light flashes reach General Kay so that the flash from the aft light reaches her before the flash from the bow light.
[Ques. 4] A high tide is occurring at Charleston, South Carolina (36W, 59N). Which listed longitude is experiencing a low tide occurring?
a. 144E
b. 36E
c. 54E
d. 54W
e. 144W
[Ques. 5] A visual defect wherein a person can see nearby objects clearly but not distant objects is called
a. dispersion.
b. destructive interference.
c. farsightedness.
d. nearsightedness.
[Ques. 6] Clovis wants to lose weight. Clotilde tells him that he will be thin enough for her if he travels past her at 0.600 c. If the distance she sees from the front of his stomach to his back is then 24.0 cm, what distance in cm does she see when he is standing still?
a. 15.4
b. 19.2
c. 24.0
d. 30.0
e. 37.5
[Ques. 7] A high tide is occurring at Charleston, South Carolina (45W, 64N). Which listed longitude is experiencing a low tide occurring?
a. 135E
b. 65E
c. 45E
d. 45W
e. 145W
[Ques. 8] A visual defect wherein a person can see distant objects clearly but not nearby objects is called
a. dispersion.
b. destructive interference.
c. farsightedness.
d. nearsightedness.
[Ques. 9] Two spaceships traveling in opposite directions along parallel lines measure their own and the other spaceship's length while passing one another. The crew on spaceship A says that their ship is 1000 m long and that ship B is 800 m long. The crew on ship B says that their ship is 1000 m long and that ship A is 800 m long. At what speed does each crew say that the other ship is traveling relative to their own ship?
a. 0.36 c
b. 0.60 c
c. 0.64 c
d. 0.80 c
e. 1.25 c
[Ques. 10] A high tide is occurring at Charleston, South Carolina (70W, 12N). At approximately what other longitude is a high tide occurring?
a. 110E
b. 70E
c. 20E
d. 20W
e. 110W
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