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July 13th, 2017, 05:13 AM   #1
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Post Calculate Velocity

IMG_20170713_211211.jpg
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July 13th, 2017, 05:16 AM   #2
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velocity is the slope of each section of the position vs time graph

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July 13th, 2017, 05:30 AM   #3
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Do you know how to get the gradient of a straight line? If not, you'll want to revise that topic first. Give us a shout if you're not sure.
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July 13th, 2017, 05:49 AM   #4
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My answer is

A: 2km/sec. N of E
B: 1.2km/sec. East
C: 0.14m/sec. N of W
D: 1.33m/sec. East


How is it? Have I done it right? O.o
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July 13th, 2017, 06:45 AM   #5
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fyi, the graph represents motion in one dimension ... unless you have additional information, all you can say is that the velocity is moving in the negative direction, positive direction, or at rest.

the object is at rest during time intervals B and D

the object is moving in the positive direction during time intervals A and E

the object is moving in the negative direction during time interval C
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