Question

1a- A 140-gram glider on a horizontal, frictionless air track is attached to a fixed ideal spring with force constant 173 N/m. At the instant you make measurements on the glider, it is moving at 88.7 cm/s and is 3.79 cm from its equilibrium point. Use energy conservation to find:

(iii) - what is the angular frequency of the oscillations, in rad/s?

1b- A 1.9-kg monkey wrench is pivoted 0.31 m from its center of mass and allowed to swing as a physical pendulum. The period for small-angle oscillations is 0.93 s.

(i) What is the moment of inertia of the wrench about an axis through the pivot, in kg m² ?

Answer 1