# Physic

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A student walks to school 3 blocks North. For lunch he walks to Mcdonald's 3 blocks North. After lunch he returns home 6 blocks South. The magnitude of his total displacement is now

• Physic -

looks like zero to me.
+3+3-6 = 0

hint: he returned home, where he started. Skipped school in the afternoon, I guess.

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