6.' The velocity function (in meters per second) is given for a particle moving along a line. Find the distance traveled by the particle during the given time interval. v(t)= 818, 0 $155 2.' A Norman window has the shape of a rectangle surmounted by a semicircle. (Thus the diameter of the semicircle is equal to the Width of the rectangle.) If the perimeter of the window is 26 ft, nd the dimensions of the window so that the greatest possible amount of light is admitted. Round your answer to two decimal places. please provide a detailed step-by-step explanation for the above problems