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Ruchi.
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dw:1358409134353:dw

skullpatrol
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What is your question?

Ruchi.
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add it vectorially

JamesWolf
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i and d are unit vectors?

hba
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So we have unit vectors i and j

JamesWolf
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ill let you do it hba

Ruchi.
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@swissgirl

JamesWolf
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dw:1358409791279:dw

JamesWolf
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use pythagaros theorum to find i + j

JamesWolf
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dw:1358409911526:dw

skullpatrol
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What do you mean by "add it vectorially"?

JamesWolf
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treat them as perpendicular vectors and add them?

rajathsbhat
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yeah it's already done