Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
Jusaquikie
Group Title
When the three blocks in the figure below are released from rest, they accelerate with a magnitude of 0.465 m/s2. Block 1 has mass M, block 2 has 4M, and block 3 has 4M. What is the coefficient of kinetic friction between block 2 and the table?
 one year ago
 one year ago
Jusaquikie Group Title
When the three blocks in the figure below are released from rest, they accelerate with a magnitude of 0.465 m/s2. Block 1 has mass M, block 2 has 4M, and block 3 has 4M. What is the coefficient of kinetic friction between block 2 and the table?
 one year ago
 one year ago

This Question is Closed

Jusaquikie Group TitleBest ResponseYou've already chosen the best response.0
dw:1348870732734:dw Do i need to have the coordinate system i use in X3? i do it to keeo the acceleration all in the same direction. i just don't know if i need to or not.
 one year ago

Jusaquikie Group TitleBest ResponseYou've already chosen the best response.0
i picked my Coordinate system beacuse block 3 is larger than block 1
 one year ago

Jusaquikie Group TitleBest ResponseYou've already chosen the best response.0
first equasions i get are (x1) FT1m1g=m1a FT1=m1a+m1g =.465M+9.8M=10.3M (x2) FT3FT1Fk=m2a (x3) m3gFT3=m3a FT3=m3gm3a = 39.2M1.86M=37.3 (y2) FNm2g=0 FN=m2g = 39.2M 3 (x2) (37.3M 10.3M 1.86M)/39.2M = uk = .641 which turns our right lol i was using 39.2M for m2a instead of 1.86M meaning i was multiplying by g and not a. glad i could help.
 one year ago
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
 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.