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January 30, 2015

January 30, 2015

Posted by **JOAN** on Sunday, November 25, 2012 at 5:29am.

- PHYSICS 1 .. -
**Damon**, Sunday, November 25, 2012 at 7:11amadd up all your x (east) distances. I assume that they are all in b units and

-(4.00 sin 40)j

is a typo:

- 6.3 - 4(.766) + 3(.643) = -7.44 b east

(or 7.44 b locks west)

Add up your y (north) distances:

- 4(.643) - 3(.766) - 5 = -9.87 b North

(or 9.87 blocks south)

Total distance

6.3+4+4+3+3+5 = 25.3

Total displacement

7.44 west and 9.87 south

magnitude^2 = 7.44^2+ 9.87^2

so

magnitude = 12.4 b

direction

tan angle below -x axis = 9.87/7.44

angle = 53 degrees below -x axis

or

West 53 degrees South

or

217 degrees true on a compass

- PHYSICS 1 .. -
**BB**, Friday, July 12, 2013 at 10:09amThe distance is 18.3. 6.3+4+3+5

- PHYSICS 1 .. -
**Gil**, Sunday, September 1, 2013 at 3:02pmTotal distance is 6.3+4+3+5= 18.3 blocks

Magnitude is 12.4b

tan^-1(-9.9/-7.4)= 53 but since it is in third quadrant, add 180 degrees to get a final angle of 233 degrees.

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