Paper 4 October/November 2004 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.

A train starts from rest at a station $A$ and travels in a straight line to station $B$, where it comes to rest.
The train moves with constant acceleration $0.025{\text{ }}m{\text{ }}{s^{ - 2}}$ for the first $600{\text{ }}s$, with constant speed for the next $2600{\text{ }}s$, and finally with constant deceleration $0.0375{\text{ }}m{\text{ }}{s^{ - 2}}$.
a) Find the total time taken for the train to travel from $A$ to $B$.
b) Sketch…