Need Physics help urgent! A man pushes an empty 20kg cart as hard as he can and the cart accelerates at 10m/s. The cart is then filled so that the weight is 100kg. How much acceleration can the man achieve pushing the full cart? (Show all your working) Hi thats the question i need to do ive done most of the working out i just dont understand the algebra in it and where it goes so if someone could fill and algebra out for me that would be great ive added a attachment with the working out ive done so far.