Post a New Question

PHYICAL

posted by .

Awoman of 75kg skis down a 50m high hill , the frictional force is not negligible her speed at the bottom of the hill is only 25m\sec, What is the work done by the frictional forces

  • PHYICAL -

    PE=KE+W(fr)
    W(fr)=PE-KE=mgh-mv²/2

Answer This Question

First Name
School Subject
Your Answer

Related Questions

More Related Questions

Post a New Question