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Fundamentals of Physics Study Set 2

Physics & Astronomy

Quiz 3 :

Vector

Quiz 3 :

Vector

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If and neither nor vanish, then:
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A

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We say that the displacement of a particle is a vector quantity.Our best justification for this assertion is:
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B

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30° is
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B

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The vector is:
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A vector has a component of 10 m in the +x direction, a component of 10 m in the +y direction, and a component of 5 m in the +z direction.The magnitude of this vector is:
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If = (2 m)− (3 m)and = (1 m)− (2 m), then =
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A vector of magnitude 20 is added to a vector of magnitude 25.The magnitude of this sum can be:
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The angle between = −(25 m)+ (45 m)and the positive x axis is:
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Let .The magnitude of is:
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A vector in the xy plane has a magnitude of 25 and an x component of 12.The angle it makes with the positive x axis is:
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One radian is approximately
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A vector of magnitude 3 CANNOT be added to a vector of magnitude 4 so that the magnitude of the resultant is:
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Vectors and lie in the xy plane.We can deduce that if:
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Let = (2 m)+ (6 m)- (3 m)and = (4 m)+ (2 m)+ (1 m).The vector sum is:
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Let = (2 m)+ (6 m)- (3 m)and = (4 m)+ (2 m)+ (1 m).The vector difference is:
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The vectors , , and are related by .Which diagram below illustrates this relationship? img
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If and neither nor vanish, then:
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A vector of magnitude 6 and another vector have a resultant of magnitude 12.The vector :
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The angle between = (25 m)+ (45 m)and the positive x axis is:
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If , then:
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Showing 1 - 20 of 32