1. Not finding help here? Sign up for a free 30min 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!

Can someone help with this problem

  1. Sep 9, 2008 #1
    A speedboat moving at 30.0 m/s approaches a no-wake buoy marker 100m ahead.
    The pilot slows the boat with a constant acceleration of -3.5 m/s2 by reducing the throttle. (a) How long does it take the boat to reach the buoy? (b) What is the velocity
    of the boat when it reaches the bouy?

    Thanks,
    Kevin
     
  2. jcsd
  3. Sep 9, 2008 #2

    Dick

    User Avatar
    Science Advisor
    Homework Helper

    Don't you know any equations of motion for constant acceleration that might be related to this problem?
     
  4. Sep 10, 2008 #3
    Dick,
    I know all of the equations however I seem to be missing a variable to get started.
    I'm not seeing how to start with time or final velocity.

    Kevin
     
  5. Sep 11, 2008 #4

    Dick

    User Avatar
    Science Advisor
    Homework Helper

    You have an initial distance, an initial velocity and the acceleration. Put some of those numbers into the equations you know and solve for the variables you don't know. You have to get started before anyone can help. The attempt doesn't have to be correct.
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?



Similar Discussions: Can someone help with this problem
Loading...