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speed vs velocity
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Created by
Lucy Brown
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Cards (8)
distance
travelled is only
magnitude
of
displacement
, not
direction
of
displacement.
velocity
=
displacement/time
displacement
is the
change
in
position
from
one point
to
another
displacement can be
positive
or
negative
depending on the
direction
it's
moving
velocity always
has a
sign
to show its direction
speed is a
scalar
quantity, it has
only
magnitude
, it is measured in metres per second.
velocity
is a
vector
quantity, meaning it has both a
magnitude
and a
direction
speed
=
distance
/
time
(
m/s
)