A person running in place on an exercise machine for 10 min uses up 17 kcal (food calories). Another person exercises by repeatedly lifting two 2. 5-kg weights a distance of 50 cm. How many repetitions of this exercise are equivalent to 10 minutes of running in place? assume that the person uses negligible energy in letting down the weights after each lift. (1 cal = 4. 186 j).

How should the syntax in this sentence be changed, if at all? the scientists spent years analyzing the results of numerous medical studies meant to identify the cause of the disease. no change the scientists spent years looking at the results of a variety of different medical studies meant to locate the cause of the disease. the scientists spent years reviewing medical study results to find the cause of the disease. the scientists spent years studying the results of many medical studies in order to uncover the cause of the disease.