science

A general aviation aircraft, with a wing surface area of 18 square metres, flies at sea level with a speed of 180 kilometres per hour. Its lift curve is shown below. Given that lift equals weight for this aircraft and that the aircraft flies at a 8 degree angle of attack, what is its mass (in kilograms)?

  1. 👍
  2. 👎
  3. 👁
  1. I’m not sure

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math check, please

    A cube has a side length of x feet. Which expression represents the surface area of the cube? 4x square units 24x square units x'2 square units 6x'2 square units *** Find the surface area of the cylinder that has a height of 15 cm

  2. Please Help!! Math

    Wind resistance varies jointly as an object's surface area and velocity. If an mile per hour with a surface area of 25 square feet experiences a wind resistance of 225 Newtons, how fast must a car with 40 square feet of the

  3. geometry

    1. What is the lateral surface area of a square pyramid with side length 11.2 cm and slant height 20 cm? 224 cm2 448 cm2 896 cm2 2508.8 cm2 2. What is the lateral surface area of a cone with radius 19 cm and slant height 11 cm? 19

  4. Physics

    A certain insect’s wing has been shown to deflect a distance 14.8 mm under a force of 0.19 N applied to the end of the wing. (a) If the wing is assumed to behave as an ideal spring, calculate the force constant in N/m. (b) At

  1. Math - Check

    2. A cube has a side length of x feet. Which expression represents the surface area of the cube? 4x square units 24x square units x'2 square units 6x'2 square units *** 3. Find the surface area of the cylinder that has a height of

  2. Maths

    The areas of three flats a b and c are in the ratio 5:6:8 respectively. If the difference in the area of flat c and flat a is 270 square metres, what is the area of flat b in square metres?

  3. math

    The area of the wings of a small Cessna is 175 ft2. If the length is 30 ft longer than the width, what are the dimensions of the wings? (This wing is one piece and goes along the top of the aircraft.)

  4. Physics

    Suppose that the lift-drag polar of the previous problem belongs to a 32,000 kilogram aircraft with an average wing chord of 3.5 metres and a wingspan of 30 metres. At a certain moment this aircraft flies in cruise at a speed of

  1. Math

    3. All faces of a table top with the given dimensions (width:20, length:22, height:1)are going to be painted. Which of the following is the surface area of the table top? A. 440 B. 524 C. 880 D. 964 my answer 4. How much less

  2. math

    Water is being withdrawn from a conical reservoir, 3 metres radius and 10 metres deep at 4 cubic metres per minute. a) How fast is the surface of the water falling when the depth of water is 6 metres? b) How fast is the radius of

  3. math

    NEED HELP ASAP the dead sea shore is 395 metres below sea level. hebron is 447 metres above sea level. find the difference in height. PLEASE EXPLAIN THE ANSWER TYSMMM

  4. MATH

    helllooo!! i need help with my assesment. 1: find the surface area of the rectangluar prism. 3in 2in 4in a:60in b:84in c:26in d:52in 2: a cube has a side length of x feet. which expression represents the surface area of the cube?

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