2. in lacrosse, a ball is thrown from a lacrosse stick by rotating the stick around the point where the player is holding it. the velocity of a ball as it leaves a stick is 30 m/s. the player’s stick is 1m long and they are holding it at its halfway point. what is the angular velocity of the head of the stick? (5 points)

The intensity of a polarized electromagnetic wave is 12 w/m^2. part a) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=0∘ with the plane of polarization? part b) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=30∘ with the plane of polarization? part c) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=45∘ with the plane of polarization? part d) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=60∘ with the plane of polarization? part e) what will be the intensity after passing through a polarizing filter whose axis makes the angle θ=90∘ with the plane of polarization?

What is the role of lenses in microscopy?

Select all the correct answers. which three statements about electromagnetic radiation are true?