Physics (AS & A Level) · Oct / Nov 2018 · Paper 11 · Question 8

A ball of mass m is thrown vertically into the air. When the ball has speed v, the air resistance acting on the ball is F. What is the magnitude of the acceleration of the ball when its speed is v as it rises and as it falls?

1. Aacceleration when ball is rising: g − F/m; acceleration when ball is falling: g − F/m
2. Bacceleration when ball is rising: g − F/m; acceleration when ball is falling: g + F/m
3. Cacceleration when ball is rising: g + F/m; acceleration when ball is falling: g − F/m
4. Dacceleration when ball is rising: g + F/m; acceleration when ball is falling: g + F/m

As printed in the paper