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?

It's a snowy day and you're pulling a friend along a level road on a sled. you've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. you've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a 32 ∘ angle. you estimate that the mass of the sled, with your friend on it, is 65 kg and that you're pulling with a force of 80 n .