A community for students.
Here's the question you clicked on:
 0 viewing
Vocaloid
 one year ago
simple momentum and force problem
Vocaloid
 one year ago
simple momentum and force problem

This Question is Closed

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.0an object moves in the x direction with a momentum of 8 kg * m/s. a force with Fx = 9N and Fy = 3N acts on the object for 0.15 seconds. what is the magnitude of the velocity after the 0.15 seconds have passed? my thought is to use the momentum update principle (final momentum = initial momentum + Fnet*deltaT) but I'm not sure how to set things up

Abhisar
 one year ago
Best ResponseYou've already chosen the best response.1So mass of the object is not given?

IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.2you need the mass to get velocity

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.0@IrishBoy123 made a typo, it wants the magnitude of the momentum after 0.15 seconds. would I still need the mass for that?

IrishBoy123
 one year ago
Best ResponseYou've already chosen the best response.2nope, you're now good to go! i would do something like \[\vec p_o = <8,0>\] \[\vec F = \frac{d \vec p}{dt} \implies \Delta \vec p = \vec F .\Delta t\] \[\therefore \vec p = <8,0> + 0.15<9,3>\] \[\vec p = \sqrt{p_x^2 + p_y^2}\]

Vocaloid
 one year ago
Best ResponseYou've already chosen the best response.0that's what I was thinking, too, I just had my numbers set up wrong I got the answer, thanks for your help ^_^
Ask your own question
Sign UpFind 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
 Engagement 19 Mad Hatter
 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.