You set up a pulley to you lift something. you anchor the rope at one end and arrange a moveable pully to achieve a mechanical advantage of 2. by the time you have lifted the object 5m off the ground, how much rope have you pulled through the pulley?

Which type of reaction is shown in this energy diagram? energy products activation energy reactants time o a. endothermic, because energy is released to the surroundings o b. exothermic, because energy is absorbed from the surroundings o c. exothermic, because energy is released to the surroundings o d. endothermic, because energy is absorbed from the surroundings