Freefall 
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editing! |
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The
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importance
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of
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the
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in
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the
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mechanics
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curriculum
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owes
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much
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to
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the
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fact
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that
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one
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of
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the
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most
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prevalent
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in
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our
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environment,
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gives
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rise
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to
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a
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constant
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on
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every
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object
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near
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the
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earth's
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surface.
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Thus,
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any
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object
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moving
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purely
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under
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the
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influence
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of
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near
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the
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earth's
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surface
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will
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experience
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a
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constant
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.
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This
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type
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of
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motion
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is
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common
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enough
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in
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everyday
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experience
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that
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it
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receives
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the
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special
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name
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.
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More surprisingly,
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the
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acceleration
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is
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also
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almost
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exactly
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the
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same
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on
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every
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object
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in
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near
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the
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earth!
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The
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of
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on
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any
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object
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in
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near
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the
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earth's
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surface
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is
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well
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approximated
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by
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the
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value
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of
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9.8
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m/s
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2
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directed
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toward
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the
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ground.
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The
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of
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the
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gravitational
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acceleration
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is
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so
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widely
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used
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in
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mechanics
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that
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we
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assign
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it
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a
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special
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constant,
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g.
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{_}{*}. {latex}\begin{large}\[ g \equiv 9.8 m/s^{2} \] \end{large}{latex} {panel:bgColor=#F0F0FF}!images^SAP.gif! *[Keys Please]* ({excerpt-include:Keys Please|nopanel=true}){panel} |
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