Can You Solve This Physics Homework Problem Due Monday?

  • Thread starter Thread starter Kameriders21
  • Start date Start date
  • Tags Tags
    Homework
AI Thread Summary
The user is seeking assistance with a physics homework problem due Monday, specifically focusing on question 3 related to kinetic friction and forces. They provided a link to an image of the problem and expressed urgency in receiving help. The user has attempted to apply the equation for friction but is stuck on the calculations involving forces. Additional context and attempts at solutions can be found in a linked forum post. Timely assistance is requested to complete the assignment before the deadline.
Kameriders21
Messages
1
Reaction score
0

Homework Statement



This is my home work..please help me 3-2-1 please..3 first, 2 second and then 1..Please help me..It is due on this Monday..I need you guys help.

http://img204.imageshack.us/img204/9661/photo0454t.jpg

Uploaded with ImageShack.us

THANKS YOU GUYS

Homework Equations


here question 3:

Ff = fiction kinictic * N
Ff = .30cos30degree

F-mgSin30 degree-.30mgcos30 , ( I am stuck somewhere here )

The Attempt at a Solution

 
Last edited by a moderator:
Physics news on Phys.org

Thread 'Errors and significant figures'

I multiplied the values first without the error limit. Got 19.38. rounded it off to 2 significant figures since the given data has 2 significant figures. So = 19. For error I used the above formula. It comes out about 1.48. Now my question is. Should I write the answer as 19±1.5 (rounding 1.48 to 2 significant figures) OR should I write it as 19±1. So in short, should the error have same number of significant figures as the mean value or should it have the same number of decimal places as...
View full post »
Thread 'A cylinder connected to a hanging mass'

Thread 'A cylinder connected to a hanging mass'

Let's declare that for the cylinder, mass = M = 10 kg Radius = R = 4 m For the wall and the floor, Friction coeff = ##\mu## = 0.5 For the hanging mass, mass = m = 11 kg First, we divide the force according to their respective plane (x and y thing, correct me if I'm wrong) and according to which, cylinder or the hanging mass, they're working on. Force on the hanging mass $$mg - T = ma$$ Force(Cylinder) on y $$N_f + f_w - Mg = 0$$ Force(Cylinder) on x $$T + f_f - N_w = Ma$$ There's also...
View full post »

Similar threads

Help Me Solve This Khan Academy Question: Friction and Initial Velocity
Replies
5
Views
5K
How to Solve Dynamics Exercise Involving Force Representation?
2
Replies
58
Views
2K
Find the tension in the rope pulling a box at an angle
Replies
5
Views
5K
Work Problem - Distance of particle moving up an incline
Replies
19
Views
2K
Variable induced surface charge density on a sphere
Replies
9
Views
3K
Force required to pull an object with 2 different methods
Replies
24
Views
3K
Having a problem in steps while solving integrals
Replies
6
Views
1K
Can you check my physics homework please?
Replies
1
Views
2K
Problem in calculating work done?
Replies
3
Views
1K
Solving for φ on an oscillation problem
Replies
17
Views
1K

Hot Threads

Recent Insights

Back
Top