(a)[2]
Complete Fig. 1.1 to show whether each quantity is a scalar or a vector. One line has already been done as an example.
(b)
A girl runs $120\,\text{m}$ due north in $15\,\text{s}$, and then runs $80\,\text{m}$ due east in $12\,\text{s}$.
(b(i))[1]
Sketch a vector diagram to represent the girl's route. Draw and label the resultant displacement $R$.
(b(ii)1)[1]
Calculate, for the girl, the average speed.
(b(ii)2)[3]
Calculate, for the girl, the magnitude of the average velocity $v$ and its angle with respect to the direction of the initial path.