Ahydraulic lift has a narrow cylinder of diameter 4cm and wide cylinder of diameter 30cm .calculate the force that must be applied to the liquid in the small cylinder to lift a 1500kg car

Protein provides 4 calories per gram. mary is on a diet that requires her to eat at least 40 grams of protein each day.she's eaten 152 calories of protein today.howmuch more protein does mary need to eat to meet her goal