Vectors questions | form four Basic Mathematics

(1902) Question Category: Mathematical Calculation

If u= 4i + 6j and v= frac{1}{2}i-3j; find:

  1. ar{W} for which ar{W} = frac{1}2{}ar{u}-2ar{v}
  2. left | ar{W} ight | correct to two decimal places
  3. the angle that ar{W} makes with the positive direction of x - axis to the nearest degree.

Answer / Solution

UNSOLVED

(1903) Question Category: Mathematical Calculation

Given the vectors a = 5i- j, b = 3i + 4j, c = 2i-3j, calculate the resultant of a+ b + c
and the unit vector in the direction of a+ b +c.

Answer / Solution

UNSOLVED

(4491) Question Category: Mathematical Calculation

Given the three vectors underline{a}=4underline{i}+6underline{j}, underline{b}=4underline{i}+10underline{j}  and  underline{c}=2underline{i}+4underline{j}.  Determine the magnitude of their resultant.

Answer / Solution

UNSOLVED

(4492) Question Category: Mathematical Calculation

Camilla walks 5 km northeast, then 3 km due east and afterwards 2 km due south. Represent these displacements together with the resultant displacement graphically using the scale 1 unit = 1 km.

 

Answer / Solution

UNSOLVED

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