If a clock on a ship indicates that it is 2:00 P.M.in its home port,while another clock on the ship indicates that it is 12:00 noon at the shipʹs present location,what is the difference in longitude between the shipʹs position and its home port?
A)The ship is 30° west of its home port.
B)The ship is 2° west of its home port.
C)The ship is 45° west of its home port.
D)The ship is 30° east of its home port.
E)The ship is 2° east of its home port.

Question

Quizplus · Accepted Answer

The time difference is 2 hours. Each hour corresponds to 15° of longitude, so 2 hours correspond to 30°. Since the ship's location is earlier than the home port, it is west.

If a Clock on a Ship Indicates That It Is