Uniform circular motion - stone in pail

AI Thread Summary
To determine the least speed a stone must have to remain in contact with a pail moving in a vertical circle of radius 60 cm, the required speed is calculated to be 2.4 m/s. The formula used for circular motion is v = 2πr / T, where r is the radius and T is the period of rotation. The user is unsure how to calculate the period T and seeks clarification on whether they are using the correct formula. Assistance is requested to help initiate the problem-solving process. Understanding the relationship between speed, radius, and period is crucial for solving this uniform circular motion problem.
softball1394
Messages
13
Reaction score
0

Homework Statement


A stone rests in a pail that is moved in a vertical circle of radius 60 cm. What is the least speed the stone must have as it rounds the top of the circle if it is to remain in contact with the pail?
Answer: 2.4 m/s


Homework Equations



v= 2 pi r / t

The Attempt at a Solution



v = 2 pi .6 / t

v= 3.77 / t

How do I figure out what T is? Am I using the right formula? Please answer, thanks.
 
Physics news on Phys.org
Anyone? I just need help on getting the problem started :/
 

Thread 'Rolling without slipping on a curved surface'

Kindly see the attached pdf. My attempt to solve it, is in it. I'm wondering if my solution is right. My idea is this: At any point of time, the ball may be assumed to be at an incline which is at an angle of θ(kindly see both the pics in the pdf file). The value of θ will continuously change and so will the value of friction. I'm not able to figure out, why my solution is wrong, if it is wrong .
View full post »

Thread 'Struggling to understand the concept of this question (ice cube in water optics question)'

TL;DR Summary: I came across this question from a Sri Lankan A-level textbook. Question - An ice cube with a length of 10 cm is immersed in water at 0 °C. An observer observes the ice cube from the water, and it seems to be 7.75 cm long. If the refractive index of water is 4/3, find the height of the ice cube immersed in the water. I could not understand how the apparent height of the ice cube in the water depends on the height of the ice cube immersed in the water. Does anyone have an...
View full post »

Similar threads

Acceleration in uniform circular motion is uniform or non-uniform?
2
Replies
55
Views
3K
Vertical circular motion
Replies
8
Views
2K
A stone is dropped from an ascending balloon...
Replies
10
Views
1K
Find the acceleration in circular motion
Replies
6
Views
2K
What is the meaning of work done for non-uniform circular motion?
Replies
11
Views
2K
Circular Motion/Newton's Laws-- Swinging a Pail
Replies
5
Views
3K
Circular Motion Questions (energies, forces, angular velocities, etc.)
Replies
2
Views
1K
Circular motion, coin on a rotating disk
Replies
2
Views
780
What is the Maximum Radius for a Bucket of Water in Circular Motion?
Replies
7
Views
3K
Is Vertical Circular Motion Ever Uniform?
Replies
10
Views
3K

Hot Threads

Recent Insights

Back
Top