Science

If you lift a chair weighing 50n to a height 10.5 meters and carry it 10 meters across the room. How much work did you do on the chair?

  1. 👍 0
  2. 👎 0
  3. 👁 163

Respond to this Question

First Name

Your Response

Similar Questions

  1. Algebra II

    Suppose that an object is dropped from a height of h meters and hits the ground with a velocity of v meters per second. Then v= sqrt19.6h. If an object hits the ground with a velocity of 24.2 meters per second, from what height

  2. Science

    A hydraulic lift office chair has its seat attached to a piston with an area of 11.2 cm2 . The chair is raised by exerting force on another piston, with an area of 4.12 cm2 . If a person sitting on the chair exerts a downward

  3. PHYSICS - plz help

    A house painter uses a chair and pulley arrangement to lift himself up the side of a house. The painter's mass is 69.2 kg and the chair's mass is 24.0 kg. With what force must he pull down on the rope in order to accelerate upward

  4. physics

    A box weighing 100 newtons is pushed up an inclined plane that is 5 meters long. It takes a force of 75 newtons to push it to the top,which has a height of 3 meters. What is the efficiency?

  1. 7th grade

    A force used to lift a 12-kilogram mass to a height of 8 meters in 2 seconds does 1040 joules of work. QUESTIONS: A;How much force is used? B;What power is developed?

  2. Physics

    Early one October, you go to a pumpkin patch to select your Halloween pumpkin. You lift the 2.8 kg pumpkin to a height of 1.4 m, then carry it 50.0 m (on level ground) to the check-out stand. Calculate the work you do on the

  3. physics

    A lift is used to carry boxes to the top floor of a hotel 20m high.A total weight of 100kg of boxes was caried up in 20second.If the useful output of the engine driving the lift mechanism is 1.2 kilowatt.calculate the efficiency

  4. Pysics

    A small motor runs a lift that raises aload of bricks weighing 836N to a height of 10.7m in 23.2s. assuming that the bricks are lifted with constant speed, what is the minimum power the motor must produce?

  1. Physics

    Suppose that an object is dropped from a height of h meters and hits the ground with a velocity of v meters per second. Then =v19.6h. If an object hits the ground with a velocity of 27.7 meters per second, from what height was it

  2. Algebra

    Suppose that an object is dropped from a height of h meters and hits the ground with a velocity of v meters per second. Then v= sqrt19.6h. If an object hits the ground with a velocity of 18.5 meters per second, from what height

  3. Math

    17.Which roller coaster has the greatest lift height Top Thrill Dragster 18.What is the median lift height for the roller coasters lifted? Round to the nearest tenth. Not sure for this one 19.Arrange the given roller coasters from

  4. Algebra

    The height of a ball thrown upward on the moon with a velocity of 8 meters per second can be modeled by h=-0.8t^2+8t, where h is the height of the ball in meters and t is the time in seconds. At what times will the height of the

You can view more similar questions or ask a new question.