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Physics 9 Online
OpenStudy (anonymous):

A plane is flying east at 135 m/s. The wind accelerates it at 2.18 m/s squared directly north east. After 18.0s, what is the displacement (magnitude and direction) of the plane?

OpenStudy (anonymous):

@amistre64 @TuringTest

OpenStudy (amistre64):

northeast is a 45 degree angle with a variable velocity of 2.18(v) meters/sec

OpenStudy (amistre64):

|dw:1372277425007:dw| hmm, i can determine the total displacement in the direction of the wind by integrating from 0 to 18

OpenStudy (amistre64):

or simply 1.09 * 18^2 = 353.16 in the wind direction

OpenStudy (amistre64):

|dw:1372277576607:dw|

OpenStudy (anonymous):

This is the direction?

OpenStudy (amistre64):

yes, the total displacement in the direction of the wind is 353.16 in 18 seconds the total displacement of the forward motion is 135*18 = 2430

OpenStudy (anonymous):

What about magnitude?

OpenStudy (amistre64):

|dw:1372277715224:dw|

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