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welcome to moomoomath and science in
this video I'd like to cover how to
calculate average velocity in simple
terms velocity is speed in a particular
direction there are several examples
velocity is a vector because it measures
magnitude and direction if you're
familiar with the speed triangle of
distance speed and time then you can
easily calculate average velocity but it
includes a direction here's the formula
for velocity the V represents velocity
and the arrow above tells you that it is
a vector which measures magnitude and
direction the S equals displacement and
it also is a vector and it measures the
distance and direction and the T equals
a change in time let's work an example
problem a man rides his bike 90
kilometers in 3 hours towards the beach
which is east from his house calculate
the average velocity the velocity equals
the distance and direction in equals 9
kilometers excuse me 90 kilometers east
and the time equals 3 hours divide these
and the velocity equals 30 kilometers
per hour East next he rides his bike 60
kilometers back home which is west and
stops for lunch after 2 hours
what is his average velocity remember
velocity is a measure displacement and
involves distance and directions so
velocity would equal 60 kilometers West
divided by the change in time which is 2
hours so the average velocity equals 30
kilometers per hour West
I hope this introduction to average
velocity helps and thanks for watching
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