1. Broiled lobster contains 3.60 MJ/kg of metabolizable food energy. If Sharla has 45.0 min of hard cycling planned later in the day, how much lobster can she eat so that she will be sure not to gain weight?
2. Suzanne Malaxos, 27, from Perth Australia, won the 12th annual Empire State Building Run-Up in New York City by climbing the 102 story building in 12 min and 24 s. If her body mass is 50.0 kg, and each story is 4.00 m high, determine the amount of body fat she consumed in the race. Assume a muscle energy conversion efficiency of 25.0% and a body fat energy content of 33.1 MJ/kg.