The 5kg slender bar is supported by cord BC and then released from rest at A. Answer in SI units to 2 decimal places. The tolerance is /- 0.5 for all parts. 1. (10) What is the magnitude of the angular acceleration of the rod and the magnitude of the force at B if the length of the cord BC is zero. Hint: Because the rod is not massless, the force on the hinge C does not need to be aligned with the direction of the rod. 2. (10) Determine the magnitude of the acceleration of point B when the length of the cord BC is 300mm. Hint: consider that B is rotating around C, and choose polar coordinates to describe its motion about C.

We will use a video to study faraday’s law of electromagnetic induction by analyzing the induction that occurs due a coil of copper wire sliding along an air track that passes through an external magnetic field. specifically, we will: examine some of the main principles behind faraday’s law. apply lenz’s law to determine the direction of the induced emf. take measurements of the induced emf from the voltmeter as the coil passes into and out of the external magnetic field. use the horizontal scale provided to determine the speed of the coil. calculate the magnetic field induced in the coil as it passes into and out of the external magnetic field.