Quantcast

Got Homework?

Connect with other students for help. It's a free community.

  • across
    MIT Grad Student
    Online now
  • laura*
    Helped 1,000 students
    Online now
  • Hero
    College Math Guru
    Online now

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

NotTim

The height, h, in metres, of a car above ground as a Feeris wheel turns can be modelled using the function: h=20sin(PiT/60)+25, where T is the time in seconds. Determine the instananeous rate of change at 5s.

  • 2 years ago
  • 2 years ago

  • This Question is Closed
  1. NotTim
    Best Response
    You've already chosen the best response.
    Medals 0

    MY answer is off by an annoying 0.01. The correct answer is 1m/s. Mine is 1.01m/s.

    • 2 years ago
  2. NotTim
    Best Response
    You've already chosen the best response.
    Medals 0

    My "h" for 5s is 30.176. For 5.001, h is 30.177m

    • 2 years ago
  3. dumbcow
    Best Response
    You've already chosen the best response.
    Medals 1

    i too get 1.0115, the "correct answer" is prob due to rounding dh/dt = (20pi/60)cos(Tpi/60) = (pi/3)cos(Tpi/60) T = 5 dh/dt = (pi/3)cos(pi/12) = 1.0115

    • 2 years ago
  4. NotTim
    Best Response
    You've already chosen the best response.
    Medals 0

    Wait. IT was the other way around. I worded that wrong.

    • 2 years ago
    • Attachments:

See more questions >>>

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.