Chapter 3. Displacement vector equals the change in position vector over time interval (3-6)

Question

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{"title":"displacement","description":"Correct!","type":"correct","color":"#99CCFF","code":"[{\"shape\":\"rect\",\"coords\":\"1,14,35,53\"},{\"shape\":\"poly\",\"coords\":\"82,133\"}]"} {"title":"position vector of the object at later time t sub 2","description":"Wrong","type":"incorrect","color":"#ffcc00","code":"[{\"shape\":\"rect\",\"coords\":\"122,17,148,55\"}]"} {"title":"calculate the displacement vector","description":"Incorrect","type":"incorrect","color":"#333300","code":"[{\"shape\":\"rect\",\"coords\":\"181,21,210,51\"},{\"shape\":\"poly\",\"coords\":\"113,132\"}]"} {"title":"position vector of the object at earlier time t sub 1","description":"Incorrect","type":"incorrect","color":"#000080","code":"[{\"shape\":\"rect\",\"coords\":\"224,20,257,53\"}]"}

Question

DDTIFtVhQAzsrOKYop4HCk5CfuE/gBfzB3q1Te9Vly2LsBYqiA4DmFl1nR2UQjh5JvIluQTPQX0=

{"title":"displacement","description":"Wrong","type":"incorrect","color":"#99CCFF","code":"[{\"shape\":\"rect\",\"coords\":\"1,14,35,53\"},{\"shape\":\"poly\",\"coords\":\"82,133\"}]"} {"title":"position vector of the object at later time t sub 2","description":"Correct!","type":"correct","color":"#ffcc00","code":"[{\"shape\":\"rect\",\"coords\":\"122,17,148,55\"}]"} {"title":"calculate the displacement vector","description":"Incorrect","type":"incorrect","color":"#333300","code":"[{\"shape\":\"rect\",\"coords\":\"181,21,210,51\"},{\"shape\":\"poly\",\"coords\":\"113,132\"}]"} {"title":"position vector of the object at earlier time t sub 1","description":"Incorrect","type":"incorrect","color":"#000080","code":"[{\"shape\":\"rect\",\"coords\":\"224,20,257,53\"}]"}

Question

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{"title":"displacement","description":"Wrong","type":"incorrect","color":"#99CCFF","code":"[{\"shape\":\"rect\",\"coords\":\"1,14,35,53\"},{\"shape\":\"poly\",\"coords\":\"82,133\"}]"} {"title":"position vector of the object at later time t sub 2","description":"Incorrect","type":"incorrect","color":"#ffcc00","code":"[{\"shape\":\"rect\",\"coords\":\"122,17,148,55\"}]"} {"title":"calculate the displacement vector","description":"Correct!","type":"correct","color":"#333300","code":"[{\"shape\":\"rect\",\"coords\":\"181,21,210,51\"},{\"shape\":\"poly\",\"coords\":\"113,132\"}]"} {"title":"position vector of the object at earlier time t sub 1","description":"Incorrect","type":"incorrect","color":"#000080","code":"[{\"shape\":\"rect\",\"coords\":\"224,20,257,53\"}]"}

Question

mgRPwJAoN53mcaIgjKP34FKS5WIkbCbFpOhG7Ccz0jf4l/WnnXG38HmyKu1Ey4A1WWoZB/KtISxDqS96

{"title":"displacement","description":"Wrong","type":"incorrect","color":"#99CCFF","code":"[{\"shape\":\"rect\",\"coords\":\"1,14,35,53\"},{\"shape\":\"poly\",\"coords\":\"82,133\"}]"} {"title":"position vector of the object at later time t sub 2","description":"Incorrect","type":"incorrect","color":"#ffcc00","code":"[{\"shape\":\"rect\",\"coords\":\"122,17,148,55\"}]"} {"title":"calculate the displacement vector","description":"Incorrect","type":"incorrect","color":"#333300","code":"[{\"shape\":\"rect\",\"coords\":\"181,21,210,51\"},{\"shape\":\"poly\",\"coords\":\"113,132\"}]"} {"title":"position vector of the object at earlier time t sub 1","description":"Correct!","type":"correct","color":"#000080","code":"[{\"shape\":\"rect\",\"coords\":\"224,20,257,53\"}]"}

Review

This vector points from the object’s position at \(t_1\) to its position at \(t_2\), and is the difference between the object’s position vector \(\boldsymbol{\vec{r_2}}\) at \(t_2\) and its position vector \(\vec{r_1}\) at \(t_1\).