Paper 4 May/June 2005 MATHEMATICH (9709/4) A Levels
لطفا برای اطمینان از عملکرد و تجربه بهتر از مرورگرهای مدرن و به روز مانند کروم یا فایرفاکس استفاده کنید.

The velocity-time graph shown models the motion of a parachutist falling vertically. There are four stages in the motion:
- falling freely with the parachute closed,
- decelerating at a constant rate with the parachute open,
- falling with constant speed with the parachute open,
- coming to rest instantaneously on hitting the ground.
a) Show that the total distance fallen is $1048{\text{ }}m$.
The weight of the parachutist…