Question

Vectors A and B lie in an xy plane. A has magnitude 8.00 and angle 130°; B has components Bx = -7.72 and By = -9.20. (a) What is 5A • B? What is 4A x 3B in (b) Unit-vector notation and (c) Magnitude-angle notation with spherical coordinates (See Fig. 3-37)? (d) What is the angle between the directions of A and 4A x 3B? What is Z + 3.00k in (e) Unit-vector Notation and (f) Magnitude-angle notation with spherical coordinates?

Name: vectors a and b lie in an xy plane a has magnitude 800 and angle 130o b has components bx 772 and by 920a what is 5a tm b what is 4a x 3b inb unit vector notation andc magnitude angle notati 79591
Uploaded: 2022-09-19T03:08:31-08:00
Duration: 3 min 48 s
Channel: Supratim Pal
Description: vectors a and b lie in an xy plane a has magnitude 800 and angle 130o b has components bx 772 and by 920a what is 5a tm b what is 4a x 3b inb unit vector notation andc magnitude angle notati 79591

          Vectors A and B lie in an xy plane. A has magnitude 8.00 and angle 130°; B has components Bx = -7.72 and By = -9.20. (a) What is 5A • B? What is 4A x 3B in (b) Unit-vector notation and (c) Magnitude-angle notation with spherical coordinates (See Fig. 3-37)? (d) What is the angle between the directions of A and 4A x 3B? What is Z + 3.00k in (e) Unit-vector Notation and (f) Magnitude-angle notation with spherical coordinates?

Added by Michael B.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Supratim Pal

09/19/2022

Step 1

- Given the magnitude of A is 8.00 and the angle is 130°. - Use the formulas \( A_x = A \cos(\theta) \) and \( A_y = A \sin(\theta) \). \[ A_x = 8.00 \cos(130^\circ) = 8.00 \cos(130^\circ) = 8.00 \times (-0.6428) = -5.1424 \] \[ A_y = 8.00 \sin(130^\circ) = 8.00 Show more…

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Vectors A and B lie in an xy plane. A has magnitude 8.00 and angle 130°; B has components Bx = -7.72 and By = -9.20. (a) What is 5A • B? What is 4A x 3B in (b) Unit-vector notation and (c) Magnitude-angle notation with spherical coordinates (See Fig. 3-37)? (d) What is the angle between the directions of A and 4A x 3B? What is Z + 3.00k in (e) Unit-vector Notation and (f) Magnitude-angle notation with spherical coordinates?