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

sandra22 Group Title

To start an avalanche on a mountain slope, an artillery shell is fired with an initial velocity of 310 m/s at 58.0° above the horizontal. It explodes on the mountainside 37.0 s after firing. What are the x and y coordinates of the shell where it explodes, relative to its firing point?

  • 2 years ago
  • 2 years ago

  • This Question is Closed
  1. jrodriguez2315 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    You are given the time so that is nice. Y= Y(0)+V(y0)t-(1/2)gt y(0) is zero. V(y0) is 310sin(58) = 262.9(37) -(1/2)(9.80)(37)=9546 meters in the air for Y. X=x(0) +V(x0)t x(0) is zero. V(x0)=310cos58=164.3(37)=6078 meters traveled horizontally.

    • 2 years ago
  2. jrodriguez2315 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Therefore coordinate system is (6078,9546). Im a little rusty.

    • 2 years ago
  3. sandra22 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Isn't the equation gt^2?

    • 2 years ago
  4. jrodriguez2315 Group Title
    Best Response
    You've already chosen the best response.
    Medals 1

    Yes it is. Im so sorry. However, I'm glad you knew what you were doing and actually spotted that mistake. :)

    • 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.