How much time does it take to change your displacement by 25.0m east?


by valerieangel
Tags: 250m, displacement, east, time
valerieangel
valerieangel is offline
#1
Sep19-12, 10:47 AM
P: 10
As you walk to class with a constant speed of 1.65 m/s , you are moving in a direction that is 16.2 north of east.

How much time does it take to change your displacement by 25.0 m east?

I know that v0 = 1.65 m/s. Would I use the equation: x = (v0 cosθ)t?


Any help or advice would be much appreciated.
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lewando
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#2
Sep19-12, 01:52 PM
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P: 1,054
Quote Quote by valerieangel View Post
Would I use the equation: x = (v0 cosθ)t?
Maybe you meant to say vx = (v0 cosθ)t
valerieangel
valerieangel is offline
#3
Sep19-12, 01:58 PM
P: 10
Quote Quote by lewando View Post
Maybe you meant to say vx = (v0 cosθ)t
Yes. Would that be correct equation to use?

lewando
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#4
Sep19-12, 02:03 PM
PF Gold
P: 1,054

How much time does it take to change your displacement by 25.0m east?


Yes, to get the velocity in the x (eastward) direction. Using this result, you can easily determine t.
valerieangel
valerieangel is offline
#5
Sep19-12, 02:05 PM
P: 10
Quote Quote by lewando View Post
Yes, to get the velocity in the x (eastward) direction. Using this result, you can easily determine t.
Thank you.


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