Recent content by Sam Vermeulen

How would I go about this without knowing the amount of energy the man expended in the first place?

Yeah copied it word for word I'll try what haruspex said. Thank you for the help.

Homework Statement A standard man climbs 15 m up a vertical rope. How much energy (in cal) is dissipated as heat in a single climb if 23% of the total energy required is used to do the work? (Assume the standard man has a mass of 70 kg.) Homework Equations Q = mgΔh The Attempt at a Solution I...

Thank you! I figured out where I was going wrong. Much appreciated.

Homework Statement 173 g of water at 20°C is contained in a copper container of mass 327 g. An additional 129 g of water at 100°C is added. What is the final equilibrium temperature (in degrees C) if we treat the system's water and container as isolated? Homework Equations Q = mcΔT The...