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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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