Unpolarized light of intensity 800 w/m2 is incident on two ideal polarizing sheets that are placed with their transmission axes perpendicular to each other. an additional polarizing sheet is then placed between the two, with its transmission axis oriented at 30∘ to that of the first. what is the intensity of the light passing through the stack of polarizing sheets? (express your answer to two significant figures.)

Answertraveling around a circular trackexplanation"traveling around a circular track" is the best answer as you could be traveling around a circular track at a constant speed. your velocity would therefore have the same magnitude but will always be constantly direction. since acceleration is the rate of change of velocity, the rate of change will only involve the direction of velocity and not the magnitude.wrong choices: "an object at rest" does not accelerate at all"increasing speed while traveling around a curve" means that the acceleration will not be constant due to only change in direction; it will be constant due to both magnitude and direction"an object in free fall" does not necessarily change direction