Calculate the pressure exerted on the road by the car’s weight.
(a(ii))[4]
Explain, in terms of particles, why the air pressure in the tyres increases as the car travels along the road.
(b)[3]
Calculate the greatest number of balloons that can be filled.
Worked solution & mark scheme
This 9-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Either 2.0 \times 10^5 Pa, 200 000 Pa, or 200 kPa.” …