Recent content by alexphysics

  1. A

    Energy Conservations and Transformations with Two Objects

    so should i be using the formula E2=E1 to figure it out?
  2. A

    Energy Conservations and Transformations with Two Objects

    Homework Statement Masses of 350g and 175g are attached by a light string and hanging straight down from a light frictionless pulley. The 350g mass is 1.5m above the ground. What speed will the system have when the 350g mass hits the ground. My attempt at a data list is (after i drew a...
  3. A

    Finding Final Speed Using

    Finding Final Speed Using Work A person pushes with a horizonal 25N force over a distance of 1.2m on a 4.5kg crate, intially at rest on a frictionless surface. What is the final speed of the crate? heres my data list.. F=25N delta d=1.2m m=4.5kg v1=0 v2=? theta=0 degrees i used...
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