How do we calculate V for the first part?
Ive uploaded mark scheme as well
i saw the mark scheme but it was pretty confusing can anyone please tell me how to form an equation as well?
Driving force = P/V
P/V - Fr = ma
30000/Vinitial - 12500(30/500) - 1000 = 1250(4)
and
30000/Vfinal -12500(30/500) - 1000 = 1250(0.2)