(a(i))[1]
Determine the overall distance covered by the toy helicopter.
(a(ii))[2]
Calculate its average speed for the journey.
(b(i))[1]
State the distinction between distance and displacement.
(b(ii))[1]
Determine the scale used to construct Fig. 7.2 and complete the sentence: 1 cm on the diagram represents __________ on the path.
(b(iii))[2]
Using Fig. 7.2, determine the magnitude of the displacement of point D from point A. Show your working.
(b(iv))[1]
Determine the angle from North to the direction of the displacement of point D from point A.
(b(v))[1]
State the meaning of velocity.
(b(vi))[1]
Explain why the velocity magnitude of this toy helicopter is lower than the answer in (a)(ii).
(c)[5]
Explain, in terms of the forces and acceleration, what occurs as the helicopter falls and reaches terminal velocity.