OpenStudy (anonymous):

andy runs 40 meters east in 5 seconds and then 100 meters west in 15 seconds. His average velocity is ____ m/s.

2 years ago
OpenStudy (anonymous):

|dw:1421724724483:dw|

2 years ago
OpenStudy (anonymous):

note Velocity is magnitude and direction so if the question were 40 E and 40 W the answer would be zero. But speed not.

2 years ago
OpenStudy (anonymous):

so you need to find the velocity for the 60 meter to W

2 years ago
OpenStudy (javk):

\[velocity = \frac{ displacement }{ time }\] displacement is the total distance covered at the end; measured in a straight line

2 years ago
OpenStudy (mrnood):

@Javk Whilst I am sure that you understand 'displacement' I think the words you have used are not entirely clear. In my interpretation the total distance 'covered' is 140m Displacement in the resultant (final) distance from the start point to the end point, measured in a single straight line.

2 years ago
OpenStudy (javk):

Thankyou @MrNood, that is a much better way of putting it

2 years ago
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