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    brijmohan123456's Avatar
    brijmohan123456 Posts: 41, Reputation: 1
    Junior Member
    		  
    #1

    Nov 5, 2012, 04:44 AM
    find the direction
    this question is of vector concept-
    a car travelling at 36km/h north turns west in 5 seconds and maintains the same speed.what is the magnitude and direction of acceleration of the car?
    Answer is 2√2 m/s^2 along south west direction .Here I have a problem that how it can be along south west direction as south direction is not even in question.please help
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Nov 5, 2012, 07:59 AM
    The acceleration can be calculated from



    Note that velocity is a vector, so you need to find the difference between a vector of magnitude 10 m/s north minus 10 m/s west, and divide by 5 seconds.
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