Paper 5 May/June 2004 MATHEMATICH (9709/5) A Levels
لطفا برای اطمینان از عملکرد و تجربه بهتر از مرورگرهای مدرن و به روز مانند کروم یا فایرفاکس استفاده کنید.

A cyclist, working at a constant rate of $400{\text{ }}W$, travels along a straight road which is inclined at ${2^ \circ }$ to the horizontal. The total mass of the cyclist and his cycle is 80 kg. Ignoring any resistance to motion, $80{\text{ }}kg$. Ignoring any resistance to motion, find, correct to 1 decimal place, the acceleration of the cyclist when he is travelling
a) uphill at $4{\text{ }}m{\text{ }}{s^{ - 1}}$,
b) downhill at $4{\text{ }}m{\text{…