Magnitude only

direction only

Magnitude and direction

20 ms^-1 and 20 ms^-1

20 ms^-1 and 40 ms^-1

20 ms^-1 and 20 ms^-1 due south

20 ms^-1 and 20 ms^-1 due east

$\frac{m}{s}$

$\frac{m}{s^{2\ }}$

$\frac{rad}{s^{2\ }}$

16 ms^-1

18 ms^-1

100 ms^-1

20 ms^-1

5 m/s

5m/s, east

5s

none of these

It has magnitude but no direction

It has both direction and magnitude

It has direction but no magnitude

It has constant magnitude but no direction

Both horizontal and vertical accelerations are zero

The horizontal acceleration is zero and the vertical acceleration is  $9.8\frac{\text{m}}{\text{s}^2}$ .

The horizontal acceleration is  $9.8\frac{\text{m}}{s^2}$   and the vertical acceleration is zero

Both the horizontal and vertical acceleration are  $9.8\frac{\text{m}}{\text{s}^2}$  

constant

zero

9.8 m/s

-9.8 m/s