Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

brinethery

  • one year ago

Dynamics: The force of the motor M on the cable is shown in the graph. Determine the velocity of the 450-kg crate A when t=2s

  • This Question is Closed
  1. brinethery
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

  2. brinethery
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I can post my work if you'd like. I came out with .088 m/s, but that is wrong.

  3. dayhiker42
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    My suggestion would be to use conservation of energy since the force varies with time. Integrate the force curve and set that equal to change in potential energy from height and kinetic energy with upward velocity. Using F=ma to find the acceleration and taking the second integral will yeild the height for gravitational potential.

  4. brinethery
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I'm looking at another dynamics problem that's similar to this one for some guidance. Hopefully, it's just a rounding error hehe.

  5. brinethery
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

  6. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

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.