- #1
Thynazgul
- 9
- 0
Homework Statement
I'm doing a coursework where I must find the angular acceleration of a rolling tin can using theoretical values. I have its mass and radius. I actually have experimental data so i have access to the actual values of angular velocity and angular acceleration, as well as time.
Homework Equations
v= angular velocity * radius
acceleration = torque / moment of inertia
moment of inertia = 1/2mr2
v= square root (gh)
angular acceleration = change in angular velocity / change in time
Torque = force * radius
The Attempt at a Solution
I'm really stuck but I thought of calculating the linear velocity by using mgh= 1/2mv2, then using the velocity and radius to calculate the angular velocity. Once I have that I could calculate two angular velocities and use the time between them to measure the acceleration.
Another attempt was to use a = torque / I and try to calculate the torque but I don't know what force to use. I believe it could be friction but I do not have information on friction.