Bob weighs 80 pounds. he ran up the steps which rose 14 feet. fred weighs 110 pounds. he ran up the same steps as bob. if both boys reached the top of the 14-foot stairs at the same time, which boy had the greatest horsepower?

What are the theoretical properties of a gas at a temperature of 0 kelvin?

Calculate the work done by an external agent during an isothermal compression of 1.00 mol of oxygen from a volume of 22.4 l at 10∘c and 1.0 atm pressure to 16.8l

Afeather of mass 0.001 kg falls from a height of 2 m. under realistic conditions, it experiences air resistance. based on what you know about friction, what can you say about the kinetic energy of the feather as it reaches the ground? acceleration due to gravity is g = 9.8 m/s2. a. ke < 0.0196 j b. ke = 00196 j c. je = 0 j d. ke > 0.0196 j