1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Calculate useful power output

Tags:
  1. Oct 11, 2015 #1
    image.jpg 1. The problem statement, all variables and given/known data


    2. Relevant equations
    P=dW/dt

    3. The attempt at a solution

    I feel like I did something incorrect because I didn't use the vertical distance at all. If I'm wrong, does it have something to do with the displacement?
     
  2. jcsd
  3. Oct 11, 2015 #2

    Mister T

    User Avatar
    Science Advisor
    Gold Member

    You calculated the work done to fling the sand at a speed of 2.0 m/s from level ground. You need to add in the work done to lift the sand. Hint: the force is constant.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted