A ball of radius r and mass m is hung using a light string of length L from a frictionless vertical wall.The normal force on the ball due to the wall is 
Definitions:
F-test
A statistical test used to compare two populations' variances to ascertain if they come from distributions with equal variances.
Equal Variances
A condition in which two or more data sets have the same variance, indicating a similar degree of data spread around the mean.
Normally Distributed
Describes how data points in a dataset are distributed in a pattern that resembles a bell curve, with most values clustering around a central point.
Completely Randomized Design
An experimental design where all subjects are randomly assigned to treatments.
Q19: A spherical shell and a solid sphere
Q22: A merry-go-round with a moment of
Q32: The force exerted on a body of
Q36: The force exerted by a stationary liquid
Q41: A 3-m long wire with a
Q44: You are whirling a stone on the
Q45: A large spherical air balloon is filled
Q61: Suppose a planet exists that has half
Q69: Momentum is conserved in which of the
Q104: The extent to which waves diffract when