002 10.0 points A 72.1 kg weightwatcher wishes to climb a mountain to work off the equivalent of a large piece of chocolate cake rated at 743 (food) Calories. How high must the person climb? The acceleration due to gravity is 9.8 111/ s2 and 1 food Calorie is 103 calories. Answer in units of km. A 5.3 g lead bullet moving at 271 111/ s strikes a steel plate and stops. If all its kinetic energy is converted to ther- mal energy and none leaves the bullet, what is its temperature change? Assume the specic heat of lead is 128 J/kg - C. Answer in units of CC