physics

posted by .

A person lifts a 199 Newton stack of books 12 meters high in 7 seconds. How much power is used to lift the books?

  • physics -

    P = F*d/t = 199*12/7 = 341 Joules/s =
    341 Watts.

  • physics -

    P=W/t

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics Help2I!!!

    There are six books in a stack, and each book weighs 5N. The coefficient of friction between the books is 0.2. With what horizontal force must one push to start sliding the top five books off the bottom one?
  2. physics

    please help There are six books in a stack, and each book weighs 5 N. The coefficient of static friction between the books is 0.2. With what horizontal force must one push to start sliding the top five books off the bottom one?
  3. Physics

    There are six books in a stack, and each book weighs 5 N. The coefficient of static friction between the books is 0.2. With what horizontal force must one push to start sliding the top 5 books off the bottom one. my answer is 3N but …
  4. Physics 1

    There are six books in a stack, and each book weighs 5 N. The coefficient of static friction between the books is 0.2. With what horizontal force must one push to start sliding the top five books off the bottom one?
  5. physics

    A weight lifter lits a 1250 pound barbell 2 meters in 3 seconds. How much power was used to lift the barbell
  6. physical science

    how much power is used when a weightlifter lifts a 1250-n barbell 2 meters in 3 seconds. ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  7. MATHS

    Mrs.Koh purchased new books for the school library, of which 6 were Mathematics books, 7 were Science books, 10 were Music books, 3 were Art books, and 4 were social studies books. All of these books were different. She picked a book …
  8. Physics

    I push a stack of six books (each weighting 4 kg) horizontally across a table to the right with a kinetic coefficient of friction uk = 0.5. I apply a force of 120 N. a) What is the acceleration of the books?
  9. Mechanics

    A man attempts to support a stack of books horizontally by applying a compressive force of F = 120 N to the ends of the stack with his hands. If each book has a mass of 0.95 kg, determine the greatest number of books that can be supported …
  10. Science

    How much power is lifted if a person lifts 60N weight up 2 meters in 10 seconds?

More Similar Questions