Physics

A girl of mass 25kg runs up a stress of total height 3.0m.find the work done against gravity.

asked by Abigail
  1. work=mgh=25*9.8*3 Joules

    posted by bobpursley

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physic

    A boy of mass 50kg runs up a set of stress of total height 3.0m. Find the work done against gravity
  2. physics

    A boy of mass 50kg runs up a set of stairs of total height of 3.0m.find the work done against gravity
  3. Physics

    A girl runs up a stairway that is 6m high with a 500g book, her mass is 70kg. Take g=10m/s2 calculate (a) weight of the book (b) weight of the girl (c) the total work done by the girl when she reaches the top
  4. physics

    a box with a mass of 25kg is lifted (without acceleration) through a height of 2.0m, in order to place it upon the shelf of a closet. The value of acceleration due to gravity g= 9.8ms^2 How much work is required to lift the box to
  5. physics

    a man raises a mass,m to a height ,h and then shifts it horizontally over a distance ,x. find the total work done against the force of gravity?
  6. Physics

    A 4.00kg crate is slowly lifted to a height of 1.50m. a.How much work is done by the lifting force? b.against gravity? C.by gravity? a, Work done is m*g*height b. the work done is against gravity. c. Because the box is lifted, the
  7. physics

    A car (mass = 860 kg) is at rest on the top of a tall hill. the car rolls down the hill and at the bottom, reaches a top speed of 19 m/s. A) find the force of gravity on the car 560 x 9.8 = 5488 N B) find the work done by gravity
  8. Science

    Find the work done when a 25kg weight is lifted to a vertical height of 2.0m from ground ...
  9. physics

    A 60 kg student does 60 push ups in 40s . With each push up , the student must lift 70% of the body mass a height of 40cm off the floor. Assuming two significant digits, calculate the following The work the student does against a
  10. Physics

    Question # 1 Marks = 12 A worker pushes 25Kg crate a distance of 5m along a level floor at constant velocity by pushing horizontally on it. The coefficient of kinetic frication between the crate and the floor is 0.23. (a) What

More Similar Questions