math

The 2 pulleys in the figure have radii of 15 cm and 8 cm, respectively. The larger pulley rotates 25 times in 36 seconds find the angular velocity of each pulley in radians per second. Find angular velocity of each pulley in radians per second.

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
  1. 2π(15)/(2π(8)) = 1.875 or 15/8

    so for each rotation of the large pulley, the smaller rotates 1.875 times or 15/8 times.

    angular velocity of large one = 25(2π)/36 radians per second
    = 25π/18 rad/s

    angular velocity of smaller = (15/8)(25π/18) rad/s
    = 125π/48 rad/s

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  2. 4.36 rad/sec

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Respond to this Question

First Name

Your Response

Similar Questions

  1. science

    The orbital radii of four planets in our solar system are shown in the following table. Orbital Radii Planet Orbital Radii (AU) W 5.2 X 0.72 Y 1.0 Z 19.1 Which planet is likely to experience the highest temperature? W X Y Z I

  2. physics

    a block and tackle system of pulleys consisting of 5 pulleys is used to raise a load of 500N through a height of 12m. if the total work done by the system is 7200j calculate the work done against friction and efficiency of the

  3. Chem

    Order the elements S, Cl, and F in terms of increasing atomic radii. I thought the answer was F, S, Cl, but the answer key said it was S, F, CL Why? AR decreases from left to right. Sulfur has one more energy level, so shouldn't

  4. physics

    The pulley in the figure represents different pulleys with outer radius and inner radius indicated in the table. The horizontal rope is pulled to the right at a constant speed that is the same in each case, and none of the ropes

  1. Physics

    The crystalline lens of the human eye is a double convex lens made of material haveing an index of refraction of 1.44. Its focal length in air is about 8 mm which also varies. We shall assume that the radii of curvature of its two

  2. pre-algebra

    Figure B is the image of Figure A. Which description explains how Figure A was transformed to create figure B. A. Figure A was Reflected across a horizontal line of reflection to create Figure B. B. Figure A was rotated 180 °

  3. A mathematics

    The sum of radii of two spherical balls is 22cm and the difference of their volume is 3050 2/3 cm3. Find the radii of the balls. (take pie=22/7)

  4. Physics

    A block and tackle system of pulleys consisting of 4 pulleys is used to raise a load of 50N through a height of 20m If the total workdone against friction in the pulleys is equivalent to 800j Calculate I.Total workdone by the

  1. Chem AP!!! please help!!!!

    Select all that follow the trends of lattice energy: BaO > KF 1. Fluorine is more electronegative than oxygen. 2. The ions in BaO are +2 and -2; whereas in KF they are +1 and -1. 3. The atomic radii of Ba and O are smaller than

  2. trig

    The centers of two belt pulleys, with radii of 3 cm and 6 cm, respectively, are 13 cm apart. Find the total area K enclosed by the belt.

  3. Math

    If the circumference of a circle is 35 inches, which is closest to its area? A. 380 square inches B. 98 square inches C. 17 square inches D. 35 square inches I know that you get the area by doing π x radii radii but I can't seem

  4. Math 104

    A belt connects two pulleys with radii 2 in and 4 in.. The velocity of point A on the belt is 25 ft/sec. What is the linear velocity and angular velocity for point B? What is the linear velocity and angular velocity for point C?

View more similar questions or ask a new question.