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A unit-vector notation would look like this: (1.20 m)î + (5.00 m)j

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In summary, a vector in unit-vector notation is a representation of a vector using unit vectors, making it more versatile and easier to work with in mathematical calculations. It differs from a regular vector in that it uses unit vectors to represent direction instead of specific components. The magnitude of a vector in this notation is calculated by taking the square root of the sum of the squares of the coefficients of the unit vectors. It can be represented in any coordinate system by adjusting the unit vectors, and its direction is determined by the coefficients of the unit vectors.

- #1

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A unit-vector notation would look like this: (1.20 m)î + (5.00 m)j

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2(cos55)î + 2(sin55)j

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A vector in unit-vector notation is a mathematical representation of a vector using unit vectors (vectors with a magnitude of 1). It is written as a linear combination of unit vectors in the form a_{1}i + a_{2}j + a_{3}k, where i, j, and k are the unit vectors in the x, y, and z directions respectively.

A vector in unit-vector notation is different from a regular vector in that it uses unit vectors to represent direction, rather than specific components. This allows for a more generalized representation of the vector that can be applied to any coordinate system, making it more versatile and easier to work with in mathematical calculations.

The magnitude of a vector in unit-vector notation is calculated by taking the square root of the sum of the squares of the coefficients of the unit vectors. For example, for the vector a_{1}i + a_{2}j + a_{3}k, the magnitude would be √(a_{1}^{2} + a_{2}^{2} + a_{3}^{2}).

Yes, a vector in unit-vector notation can be represented in any coordinate system. This is because the unit vectors i, j, and k can be adjusted to align with the axes of any coordinate system, making the notation applicable in all cases.

The direction of a vector in unit-vector notation is determined by the coefficients of the unit vectors. The coefficients represent how much of each unit vector is needed to reach the desired direction. For example, a vector with coefficients a_{1} = 2 and a_{2} = 3 would have a direction of 2 units in the i direction and 3 units in the j direction, resulting in a direction of 2i + 3j.

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