1) Which angle determines longitude 60W? a) NÔR b) NÔW c) RÔW d) WÔN 2) What is the longitude of a place whose local time is 12:00 hours when Greenwich time is 16:00 hours?  a) 45⁰E b) 45⁰W c) 60⁰E d) 60⁰W 3) If time in Cairo is 9:00 AM and time in Nairobi 45⁰E is 8:00 AM, what is the longitude of Cairo?  a) 60⁰E b) 60⁰W c) 30⁰E d) 30⁰W 4) What is the longitude of cape verde where the time is 8:00AM when local time at Lusaka 30⁰E is 11:00AM? a) 45⁰E b) 45⁰W c) 15⁰W d) 15⁰E 5) The difference in longitude between points B and E in the diagram is... a) 45 degrees b) 60 degrees c) 90 degrees d) 0 degrees 6) What is the longitude of a town if its local time is 6 pm when Greenwich time is 4:00 pm? a) 20⁰E b) 30⁰E c) 120⁰E d) 100⁰E 7) The captain of a ship observed that it was local noon. He turned on the radio and listened to the 08:00 hours BBC News. What was his longitude? a) 60⁰W b) 60⁰E c) 40⁰W d) 40⁰E 8) When the time at place "X" (47⁰E) is 16:00 hours what would be the longitude at place Y where time is 14:56 hours? a) 23⁰E b) 23⁰W c) 16⁰E d) 16⁰W 9) Calculate the longitude of London where the time is 12:00 non and Dar-es-salaam 37E, 3:00PM a) 8⁰E b) 8⁰W c) 16⁰E d) 16⁰W 10) If the local time in Melbourne (140⁰E) is 21:00 hours, calculate the longitude of Calgary when the time is 05:40 hours. a) 230⁰W b) 230⁰E c) 225⁰E d) 225⁰W

Solar system-Calculate longitude using local time

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