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nath
 3 years ago
please help with...
nath
 3 years ago
please help with...

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Hunus
 3 years ago
Best ResponseYou've already chosen the best response.3Just add the components of all of the vectors to find the resultant displacement. First he moves 2.6 km north, then he moves 4 km east then he moves 3.1 km north east.

PeterAntimatter
 3 years ago
Best ResponseYou've already chosen the best response.0Okay Nath what is it about this problem that is confusing to you?

Hunus
 3 years ago
Best ResponseYou've already chosen the best response.3The first displacement he moves 2.6 km but he has no horizontal displacement. The second displacement he moves 4 km which is all horizontal. The third displacement he moves 3.1 km which is only part horizontal (You should be able to figure out the horizontal component from the last post)

nath
 3 years ago
Best ResponseYou've already chosen the best response.0x=5.7 cos(45) i added the 2.6 to 3.1

Hunus
 3 years ago
Best ResponseYou've already chosen the best response.3Not quite. For the x component 2.6 wouldn't be a part of it because none of it is in the x direction

nath
 3 years ago
Best ResponseYou've already chosen the best response.0you mean that 3.1 is not completely horiziontal

Hunus
 3 years ago
Best ResponseYou've already chosen the best response.3Yes. Also, the component that is 2.6 km is all in the y direction so none of it will be on the x component

Hunus
 3 years ago
Best ResponseYou've already chosen the best response.3How far did the truck travel along the x axis?

Hunus
 3 years ago
Best ResponseYou've already chosen the best response.3What about the 3.1 km he traveled north east? Part of that displacement is along the x axis.

nath
 3 years ago
Best ResponseYou've already chosen the best response.0i know to find the x component it would be 3.1 cos(45)

Hunus
 3 years ago
Best ResponseYou've already chosen the best response.3That's correct :) and that plus the 4 km is how far he moved along the x axis

nath
 3 years ago
Best ResponseYou've already chosen the best response.0so i could add the 2.6 to the 3.1 because the 2.6 is completely horizontal while the 3.1 is partially horizontal. however i have to take it into account

Hunus
 3 years ago
Best ResponseYou've already chosen the best response.3The 2.6 is completely vertical. The 4.0 is completely horizontal

Hunus
 3 years ago
Best ResponseYou've already chosen the best response.3So add up the horizontal parts :)

Hunus
 3 years ago
Best ResponseYou've already chosen the best response.3I'm about to have to head out :/ sorry I couldn't help you finish the problem. Just add up all the x components of all the vectors and all the y components of the vectors and this will create a new vector with the x component you just calculated and the y component you just calculated.
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