Phys105_ps4_2009

Phys105_ps4_2009 - Physics 105 Problem Set 4 Due: Thursday,...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Physics 105 Problem Set 4 Due: Thursday, October 15, 2009, 3 PM Reading: K&K, Chapters 4 & 6. We are skipping chapter 5, but feel free to read it; it contains some useful material. Turn this in to the Undergraduate Physics Office in Jadwin 208 by 3:00 PM on Thursday. Please NEATLY write your name and the time of your class on your homework. Our first midterm exam is Mon., Oct. 19, in class. The problems on this exam will Problem 1. Sports/power/work/food. (a) A strong human cyclist, weighing about 110 kg (including bicycle), can bicycle up a 3.1 percent grade at about 30 km/h. What is her or his power output in watts? in horsepower? (b) How does this compare to a typical human office worker climbing stairs in an office building at a rate of one floor every 20 s? (c) How many kilocalories (which are known as ”calories” in nutritional information) would you have to eat every day to sustain each of these (relatively high) levels of activity
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/05/2011 for the course PHY 105 at Princeton.

Ask a homework question - tutors are online