Math

posted by .

Shirley is on a ferris wheel which spins at the rate of 3.2 revolutions per minute. The wheel has a radius of 45 feet, and the center of the wheels is 59 feet above the ground. After the wheel starts moving. Shirley takes 16 seconds to reach the top of the wheel. How high above the ground is she when the wheel has been moving for 9 minutes?

From the information above this is what I did...

w=3.2 RPM and I changed it to 6.4 rad/min
Radius=45 ft
t= 16 secs and I changed it to 4/15 mins

and I'm suppose to plug it in into this formula right?

x(t)=rcos( θ+wt)
y(t)=rsin( θ+wt)

I need help finding theta

  • Math -

    3.2 rev/min = 20.1 rad/min. You forgot the factor pi

    If she is moving at this rate, and the rate is constant, it should take
    (1/2)(1/3.2) = 1/6.4 minutes = 9.4 seconds to go from the bottom to the top of the wheel. Something is inconsistent with the numbers you have been given

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. precalculus

    A Ferris wheel has a radius of 35 feet, and is rotating at 5 revolutions per minute. Find the linear speed, in feet per minute, of a seat on the Ferris wheel.
  2. trig

    A ferris wheel with a diameter of 100 feet rotates at a constant rate of 4 revolutions per minute. Let the center of the ferris wheel be at the origin. 1. Each of the ferris wheel's cars travels around a cirlce. a) Write an equation …
  3. math

    a ferris wheel has the diameter of 240 feet and the bottom of the ferris wheel is 9 feet above the ground. find the equation of the wheel if the origin is placed on the ground directly below the center of the wheel
  4. College Algebra

    A ferris wheel has a diameter of 320 feet and the bottom of the Ferris wheel is 9 feet above the ground. Find the equation of the wheel if the origin is placed on the ground directly below the center of the wheel.
  5. college trig word problem

    A Ferris wheel has a radius of 25 feet.The wheel is rotating at two revolutions per minute.Find the linear speed, in feet per minute, of a seat on this ferris wheel.
  6. Math

    Shirley is on a Ferris wheel which spins at the rate of 3.6 revolutions per minute. The wheel has a radius of 35 feet, and the center of the wheel is 51 feet above the ground. After the wheel starts moving, Shirley takes 12 seconds …
  7. Math ( trig )

    If a person on the Ferris wheel is 45 feet above the ground. The Gris wheel has a radius of 47.f and is 5 feet above the ground. At what degrees had the Ferris wheel rotated counted clockwise?
  8. Precalculus

    you are sitting on a ferris wheel car. The wheel has a radius of 50 feet and makes 3 revolutions per minute. What is your linear speed in feet per minute?
  9. pre-calculus

    A.) A Ferris wheel has a radius of 32 feet and completes one revolution every 5.4 minutes. What is the speed of the Ferris wheel (in radians per minute)?
  10. Math

    The ferris wheel at the town fair has a radius of 25 feet. Passengers enter the cars on the ferris wheel at​ it’s lowest point which is 10 feet off the ground. Assume that passengers rotate on the wheel 5 times in 1 minute. What …

More Similar Questions