Recent content by rgluckin

  1. R

    How Far Does a Runner Travel with Varying Speeds?

    OK, I get the first two figures -- but for the decceleration, she goes from 15ft/sec to 0, for a difference of 15 in 10 seconds, so that's an avg velocity of 1.5ft/sec *10 sec is 15 ft. Where did I go wrong?
  2. R

    How Far Does a Runner Travel with Varying Speeds?

    Homework Statement A runner accelerates from 0 to 15 ft/sec in 2 seconds. She goes at a constant v from 2 sec to 10 sec. She deccelerates to 0 at the 20 sec mark Q: How much distance does she cover? Homework Equations The Attempt at a Solution Here is my work: From 0 to 2...