1. You are sitting on your roof, waiting for Santa Claus. You start to slide. The angle of the roof is 16 degrees and your mass is 65 kg. Draw a free body diagram and determine the
weight, normal, and incline forces.

An initially unpolarized light if intensity 500 w/m^2 passes through four polarizers. the transmission axis between adjacent polarizers is 45∘. what percentage of the initial intensity is transmitted by the system?

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up