engineering

posted by .

A string is fit snugly around the circumference of a spherical hot
air balloon. More hot air is added (probably by a prominent scientist’s
lecture) and it now takes an additional 12.4 feet of string to fit
around the circumference. What is the increase in diameter?

  • engineering -

    can you give us the solution

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. physics

    1.A hot air balloon is rising upwards at a constant velocity of 5m.s when the balloon is 100m above the ground, a sandbag is dropped from it. 1.1 what is the magnitude of the acceleration of:a)The hot-air balloon while the sandbag …
  2. physics

    a hot air balloon rise above the ground, accelerating upwards at a rate of 2 m/s^2. The total mass of the hot air balloon and it occupants is 400kg. the density of the air is 1.3 kg/m^3. a) Determine the volume if the hot air balloon. …
  3. geometry

    Hot air balloons require large amounts of both hot air and fabric material. A hot air balloon is spherical with a diameter of 25 feet . a. Does finding the surface area help you determine the amount of the hot air or the fabric material?
  4. science

    You are a maker of hot air balloons and wish to construct a balloon that will lift you and a friend to places unknown. Your standard balloon design is a perfectly spherical, nylon fabric balloon with a small hole on the bottom for …
  5. Physics

    A hot-air balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. For simplicity, consider the weight to be only that of the hot air within the balloon, thus ignoring the balloon fabric and …
  6. Physics

    A hot-air balloon is accelerating upward under the influence of two forces, its weight and the buoyant force. For simplicity, consider the weight to be only that of the hot air within the balloon, thus ignoring the balloon fabric and …
  7. science

    A sandbag falls from a hot air balloon that is rising with a constant velocity of 15m.s 1)What is the acceleration of the bag the moment it fell from the hot air balloon?
  8. Chemistry

    A hot air balloon is filled with hot air and the hot air forces the volume of the balloon to expand until the density of the gas in the balloon is less than the density of the outside air. The volume must be 20% larger than the balloon …
  9. Chemistry

    A hot air balloon is filled with hot air and the hot air forces the volume of the balloon to expand until the density of the gas in the balloon is less than the density of the outside air. The volume must be 20% larger than the balloon …
  10. chemistry

    A hot air balloon is filled with hot air and the hot air forces the volume of the balloon to expand until the density of the gas in the balloon is less than the density of the outside air. The volume must be 20% larger than the balloon …

More Similar Questions