Recent content by Megatron20

Using a rotational platform I found the following values.. Mass of bob: 457 grams Radius: 16 cm time to make 100 rotations: 67.4 seconds I need to find the velocity and was given the following equation V=2pi(r^2)/t *100 Once I find the velocity i need to plug that into the following...

The problem is that i have no idea where to even start tiny tim!

To meet a U.S. Postal Service requirement, employees' footwear must have a coefficient of static friction of 0.5 or more on a specified tile surface. A typical athletic shoe has a coefficient of 0.750. In an emergency, what is the minimum time interval in which a person starting from rest can...