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: Need Help, Please Physics Homework, Final tomorrow Please

  1. Dec 8, 2008 #1
    1)A 3kg heavy winter coat hangs in the middle of a clothesline causing it to sag by an angle of 5 degrees. Find the tension in the clothesline.

    2). A car is traveling with a constant speed when the driver suddenly applies the brakes giving the car a deceleration of 4 m/s^2. If re car. Comes to a stop in a distance of 40 meters. What was re cars original speed?
     
  2. jcsd
  3. Dec 8, 2008 #2

    Defennder

    User Avatar
    Homework Helper

    Hi, the same rules apply here. You need to show your work before others can help you. The first one is just resolving forces along the clothesline. The second one requires one of the three basic kinematics equations.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook