A 3,65 kg mass attached to a light string rotates on a
horizontal, frictionless table. The
radius of the circle is 1.21 m, and
the string can support a mass of
32.4 kg before breaking. The
acceleration of gravity is
9.8m/s2. What maximum
speed can the mass have before
the string breaks?
S

Madison lives near the ocean. she’s formed a hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals. if madison plans to test this hypothesis, she will have to deal with the following variables in her experiment: dependent variable: independent variable: one possible confounding variable: