5. Angle between two vectors A and B is 0. Then what is the meaning of A cos 0?(A) prjection of B in the direction of A(B) prjection of A in the direction of B(C) prjection of B in the perpendiculr direction of A(D) prjection of A in the perpendiculr direction of B

Answered: 5. Angle between two vectors A and B is…

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter3: Vectors

Section: Chapter Questions

Problem 5PQ: Vector A, with a magnitude of 18 units, points in the positive x direction. Adding vector B to...

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Similar questions

The displacement vectors 42.0 cm at 15.0 and 23.0 cm at 65.0 both start from the origin and form two sides of a parallelogram. Both angles are measured counterclockwise from the x axis. (a) Find the area of the parallelogram. (b) Find the length of its longer diagonal.
Let us name three perpendicular directions as right, up, and toward you as you might name them when you are facing a television screen that lies in a vertical plane. Unit vectors for these directions are r. u. and L respectively. Consider the quantity (-3 2t ). (i) Is the magnitude of this vector (a) 6, (b) 3, (c) 2, or (d) 0? (ii) Is the direction of this vector (a) down, (b) toward you, (c) up, (d) away from you, or (e) left?
Vectors A and B have equal magnitudes of 5.00. The sum of A and B is the vector 6.00j. Determine the angle between A and B.
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Given the vectors A=2.00i+6.00j and B=3.00i2.00j, (a) draw the vector sum C=A+B and the vector difference D=AB. (b) Calculate C and D, in terms of unit vectors, (c) Calculate C and D in terms of polar coordinates, with angles measured with respect to the positive x axis.
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A roller-coaster car moves 200 ft horizontally and then rises 135 ft at an angle of 30.0 above the horizontal. It next travels 135 ft at an angle of 40.0 downward. What is its displacement from its starting point? Use graphical techniques.
Vector A is 3.00 units in length and points along the positive x-axis. Vector B is 4.00 units in length and points along the negative y-axis. Use graphical methods to find the magnitude and direction of the vectors (a) A + B and (b) A B.
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A vector points from the origin into the second quadrant of the xy plane. What can you conclude about its components? (a) Both components are positive. (b) The x component is positive, and the y component is negative. (c) The x component is negative, and the y component is positive. (d) Both components are negative. (e) More than one answer is possible.

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5. Angle between two vectors A and B is 0. Then what is the meaning of A cos 0? (A) prjection of B in the direction of A (B) prjection of A in the direction of B (C) prjection of B in the perpendiculr direction of A (D) prjection of A in the perpendiculr direction of B