1.
The position of a particle at t=0t = 0 is (2,3,0)(2, 3, 0). It starts moving with a speed of 10m/s10\,\text{m/s} in the direction 3737^\circ north of west. Its position after t=1st = 1\,\text{s} is (take north as the positive yy-axis and east as the positive xx-axis)