A basketball player does 2.43 x 105 J of work during her time in the game, and evaporates 0,1 '10 kg of water. Assuming a latent heat of 2.26 x 106 Jlkg for the perspiration (same as for water), determine (a) the change in the player's internal energy, and (b) the number of nutritional calories the player has converted to work and heat.