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Saturday, June 30, 2007



1.analyze the problem
2.make a convenient scale
3.draw the first vector
4.from the head of the first vector, connect the tail of the next vector, and so on
5.to get the resultant, close the given vectors from the head of the last to the point of origin
6.measure using the scale


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STEPS:

1. Get the x and y of the angle
2. After that add all x components and add all y components.But be careful in determining whether the x or y components are negative or positive.
3. The formula for resultant vector is squaroot the sum of all x components and y components.
4 In getting the angle the formula is theta=Tangent-1(Ry/Rx)
5. And when you want to get the direction just look where the angle is pointing for example 2.63 the direction is north of east. It is north of east because it is on the top of the line that is pointing to east.


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Monday, June 18, 2007



At last after several failed quizzes i already had a score 6/10 haha......
its not that high though...but still i can say that from a grade of 0 (itlog) and
4/30 (ouch!) i'm improving yehey!!!


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Tuesday, June 12, 2007



the first lessons(vectors) was not that difficult....i know, i know its still the first week everything would be easy....but i guess i'm wrong... here comes the COMPONENT METHOD ruining the first days of my third year...=(.

At first i thought it would be easy but as the minutes pass by everything is also getting more complicated....even with the directions i still get confused.
north of west=west of north? i dont know my directions anymore..=(

its just the 2nd lesson and mind is already bursting out my head... =(


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Sunday, June 10, 2007



physics 2 had given a hard time..very hard..
getting a grade of 30/100 on exams.. waaaaaaa so sad..

i expect this year's physics to be harder than last year..i expect harder lessons(i hope i'm wrong)lots....i mean LOTS of quizzes, projects and everything..but i would not let this stop me..i know i can pass, i will pass and i will do my best to pass this very very hard subject..

"Difficulty that wrestles with us strengthens our nerves and sharpens our skill."


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