Post a New Question


posted by .

A 52kg teen grabs onto a rope swing. The length of rope between the teen and the pivot point above is 4.5m, and the rope makes an angle of 40o relative to vertical. Calculate his change in potential energy as he swings down and out to the point where the rope is in the vertical position.

  • physics -

    ΔPE=mg Δh=mgL(1-cosα)=
    =52•9.8•4.5•(1-cos40°) = …

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question