Question

A piece of chocolate cake contains about 400 Calories. A nutritional Calorie is equal to 1000 calories (thermochemical calories). How many 6-in-high steps must a 110-Ib man climb to expend the 400 Cal from the piece of cake? (Potential energy is given by PE = mgz, where m is the mass in kilograms, g is the gravitational constant (9.81 m/s2), and z is the distance in meters.) steps Need Help? Read It Watch It Supporting Materials Periodic Table 3 Constants & Factors Supplemental Data