A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing

This Question is Closed

pnicole
 3 years ago
Best ResponseYou've already chosen the best response.0ugh, i'm sorry! The file won't upload!

pnicole
 3 years ago
Best ResponseYou've already chosen the best response.0I need to find momentum before, velocity after and momentum after.

pnicole
 3 years ago
Best ResponseYou've already chosen the best response.0Granny whizzes around the rink and is suddenly confronted with a girl at rest directly in her path. Rathe than kocking her over, she picks her up and continues in motion without "braking" Data: Granny's mass: 50kg Granny's Vi: 3 m/s Girl's mass: 25 kg Girl's Vi: 0 m/s What is their momentum before and after?

UnkleRhaukus
 3 years ago
Best ResponseYou've already chosen the best response.0Apply conservation of momentum Scenario 1 momentum before is mv = 50kgx3m/s +25kgx0m/s = 150kg.m/s > momentum after is mv = 50kgx0m/s + 25kgxAm/s solving, A = (150kg.m/s) / (25kg) = 6 m/s

UnkleRhaukus
 3 years ago
Best ResponseYou've already chosen the best response.0Granny's Vi, 2 or 3, i was looking at the picture

pnicole
 3 years ago
Best ResponseYou've already chosen the best response.0Oh, I'm sorry. I forgot to say that the mass of the ones in the picture are 200 kg.

pnicole
 3 years ago
Best ResponseYou've already chosen the best response.0It's different from Granny

UnkleRhaukus
 3 years ago
Best ResponseYou've already chosen the best response.0well im glad nobody's granny weighs that much on ice skates also, why three sets of data?
Ask your own question
Ask a QuestionFind 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.