science

posted by .

your weight is 600 newtons and you have just finished building a raft which weighs 1000 newtons. what is the smallest upthrust force needed so that it will float with just you on it ?
(please answer really quick )

  • science -

    1600 N

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. science

    what would be the weight of the following items in the chemistry lab round to nearest tenth 3.4 kg of lead = _ newtons 390 g of copper = _ newtons 6820 cm3 of water = _ newtons
  2. Science

    If Frankie the kangaroo climbed out of the crate and pushed the crate with a mighty 12 newtons of force against the efforts of Fred and the man (each applying 10 newtons of force), what would be the net force on the crate from all …
  3. science

    Ok, your suppose to make a rule and I don't know what the answer is.. ok, the question is : If an object weighs x newtons, how much force is needed to lift it up?
  4. Science- physics

    A balloon weighing 80 kg has a capacity of 1200 m3. If it is filled with helium, how great a payload can it support?
  5. physics

    A lever uses a force 212 Newtons to move a rock that weighs 2000 Newtons. What is the mechanical advantage?
  6. engineering science

    a bale of weight 200 newtons hanged at the end of a rope.find the acceleration of the bale if the tension in the rope is 200 newtons,150 newtons,300 newtons.
  7. Physical Science

    If the strength of gravity is 9.8 newtons per kilogram, that means: a. each newton of force equals 9.8 pounds. b. each pound of force equals 9.8 newtons. c. each newton of mass weighs 9.8 kilograms d. each kilogram of mass weighs 9.8 …
  8. physics

    A bookshelf is at rest in a room. A force of 35.0 newtons is applied to a bookshelf. If the floor imparts a frictional force of 2.90 newtons, what is the net force acting on the bookshelf?
  9. Physics

    The force between positive charges from the problem 18) has the magnitude a)4 Newtons b)9 Newtons c)9x10^9 Newtons d)4x10^9 Newtons e)none of these
  10. Science

    The mutual gravitational attraction between two masses in space is 686 Newtons. What is the new gravitational force between these masses if the distance between them is increased by a factor of 5.6?

More Similar Questions