Most popular questions and responses by Era
  1. Math/physics

    Christian is making a Tyrolean traverse. That is, he traverses a chasm by stringing a rope between a tree on one side of the chasm and a tree on the opposite side, 25 m away. The rope must sag sufficiently so it won't break. Assume the rope can provide a

    asked on September 23, 2009
  2. Math/Physics2

    The block has mass m=8.5 kg and lies on a fixed smooth frictionless plane tilted at an angle theta=20.0 degrees to the horizontal. Determine the acceleration of the block as it slides down the plane. If the block starts from rest 15.0 m up the plane from

    asked on September 23, 2009
  3. Physics

    what is the volume of water displaced for 1.1 of pure gold.

    asked on March 2, 2013
  4. science stream

    what's the meaning of scale or porpotion in interior design elements?

    asked on September 22, 2007
  1. physics 11

    You find velocity from acceleration formula: a=v^2/r Your acceleration is 9.81 m/s^2 but for this problem round it to 10 m/s^2. Plug in acceleration and radius on your formula: a=v^2/r ==> 10=v^2/1 (Multiply both sides by 1 to get rid of the fraction you

    posted on February 28, 2019
  2. Algebra 2


    posted on January 7, 2013