Author Question: A meter stick with a mass of 89.5 g is being supported at the 50.0 cm mark by a pivot that is 1.00 ... (Read 120 times)

burton19126 · **on:** Jul 29, 2018

A meter stick with a mass of 89.5 g is being supported at the 50.0 cm mark by a pivot that is 1.00 cm above the center of mass of the meter stick. The moment of inertia of the stick about that point is 0.00746 kg m2.

What is the period of oscillation of this system? A)

2.01 s

B)

2.41 s

C)

5.79 s

D)

2.89 s

E)

4.02 s

Question 2

The resistivity of most common metals

A)

remains constant over wide temperature ranges.
B)

increases as the temperature increases.
C)

decreases as the temperature increases.
D)

varies randomly as the temperature increases.