Ask questions and get helpful responses.

Physics

A ventilation fan has blades 0.25 m long rotating at 20 rpm. What is the centripetal acceleration of a point on the outer tip of a blade?

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
  1. 20rpm = 20 x 2π / 60
    =2.1 rad/s

    angular speed, ω=2.1 rad/s

    v=rω
    v=(0.25)(2.1)
    = 0.525m/s

    centripetal acceleration, ac = v2 /r
    = (0.525)2/(0.25)
    =1.10m/s2

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
  2. Nice 1 m8

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩

Respond to this Question

First Name

Your Response

Still need help? You can ask a new question.