Geometric Progressions (G.P.)
The series of terms a, ar, ar 2 , ar 3 ,.... in which each term bears a constant ratio to the preceeding term is a geometric progression. The constant ratio is called the common ratio.OR A geometrical progression is a succession of terms such that each term bears fixed ratio to ..
Geometric Progressions (G.P.)
Geometric Progressions (G.P.) - The series of terms a, ar, ar 2 , ar 3 ,.... in which each term bears a constant ratio to the preceeding term is a geometric progression. The constant ratio is called the common ratio.OR A geometrical progression is a succession of terms such that each term..
Convert a magnetic bearing to true using declination
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Question : Ship A left a port at a course of 110 degrees and travels at 10 km/h, while Ship B left the same port one hour later at a course of 170 degrees which travel at 20 km/h. After 2 hours, the bearing of the ship A from ship B is N30 degrees E. How far apart are the ships at this instant?
Answer : after 2 hours they're both 20 km which means you're facing an isocele triangle with angles 30,75,75 ABC with b for 30 degrees C=sqrt 20^2+20^2+2*20*20*cos 30 degrees C=sqrt 800+800*.86 = sqrt 1492 = use your caculator to square root this and find the answer PS i lost my calc.. More from Yahoo Answers
Answer : after 2 hours they're both 20 km which means you're facing an isocele triangle with angles 30,75,75 ABC with b for 30 degrees C=sqrt 20^2+20^2+2*20*20*cos 30 degrees C=sqrt 800+800*.86 = sqrt 1492 = use your caculator to square root this and find the answer PS i lost my calc.. More from Yahoo Answers
Question : An observer for a radar station is located at the origin of a coordinate system. Find the bearing of an airplane located at the point listed.
(-3, -3)
I have no idea how to solve it. /:
Answer : Bearing usually refers to a degree measure from north. If you are at the center of the origin, North would be up the y-axis. For instance, the point (0,5) would be north of you or 0 . The point (1,0) would be at 90 . and so forth. Now you are looking for point (-3,-3). That is in the 3rd quadrant. It will also be 45 from south and 45 from west. So it would be 180 + 45 = 225 or 270 - 45 = 225 . Do yourself a favor and just draw it up on a piece of graph paper. Draw a line between the origin and the point (-3,-3). Starting on the y-axis as 0 , count the number of degrees between the y-axis (0 ) and the line you have drawn counting degrees clockwise from north... More from Yahoo Answers
Answer : Bearing usually refers to a degree measure from north. If you are at the center of the origin, North would be up the y-axis. For instance, the point (0,5) would be north of you or 0 . The point (1,0) would be at 90 . and so forth. Now you are looking for point (-3,-3). That is in the 3rd quadrant. It will also be 45 from south and 45 from west. So it would be 180 + 45 = 225 or 270 - 45 = 225 . Do yourself a favor and just draw it up on a piece of graph paper. Draw a line between the origin and the point (-3,-3). Starting on the y-axis as 0 , count the number of degrees between the y-axis (0 ) and the line you have drawn counting degrees clockwise from north... More from Yahoo Answers
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