8. Use the definition of scalar product, = and the fact that = + + and · · ab axbx ayby azbz cos θ, to calculate the angle between the two vectors given by: and 9. Find the cross product:, where the two vectors are given by: and 10. Express the following vector in unit-vector notation: 25 N, at 300 counterclockwise from the axis. –Y
8. Use the definition of scalar product, · = ab cos θ, and the fact that · = axbx + ayby + azbz and to calculate the angle between the two vectors given by: and 9. Find the cross product:, where the two vectors are given by: and 10. Express the following vector in unit-vector notation: 25 N, at 300 counterclockwise from the –Y axis.
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