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    cherrymae08's Avatar
    cherrymae08 Posts: 2, Reputation: 1
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    #1

    Aug 25, 2015, 07:51 AM
    A vector quantity is described with both magnitude and direction an a scalar is not
    Is it true that a vector quantity is described with both magnitude and direction an a scalar is not
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Aug 25, 2015, 07:54 AM
    Yes - a scalar has magnitude but no direction.
    cherrymae08's Avatar
    cherrymae08 Posts: 2, Reputation: 1
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    #3

    Aug 25, 2015, 08:04 AM
    is it true that a scalar depnds only upon the initial and final value of the quantity; this is not the case for vector quantity?

    is it true that a scalar depnds only upon the initial and final value of the quantity; this is not the case for vector quantity?

    is it true that a scalar depnds only upon the initial and final value of the quantity; this is not the case for vector quantity?

    Quote Originally Posted by ebaines View Post
    Yes - a scalar has magnitude but no direction.
    thank you

    if a person makes a round-trip journey, finishing where she started. The displacement for the trip is zero and the distance is some nonzeo value?

    is it true that two terms can be added only when they have the same dimension or unit?

    is it true that two terms can be added only when they have the same dimension or unit?
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #4

    Aug 25, 2015, 08:27 AM
    I suggest that you attempt to answer these questions yourself, and state why you believe each is true or not, and then we'll be happy to check it for you. And there is no need to write the same quetion multiple times.

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