The coefficient of linear expansion of iron is 10–5 per c°. The volume of an iron cube, 5 cm on edge, will increase by what amount if it is heated from 10°c to 60°c?.

Jim has found that he must consume 2,300 calories a day to reach his health goals, but he doesn't want to give up his afternoon snack of pretzels. unfortunately, he tends to eat the entire bag — which amounts to 1,300 calories! what strategy should jim use to improve his habits?