Q. Light with a wavelength of 4.5 x10-5 cm passes through a single slit and falls on a screen 100 cm away. If the slit is 0.015 cm wide, what is the distance from the center of the pattern to the first dark band?
Q. The drawing shows a person whose weight is W=584 N doing push-ups. Find the normal force exerted by the floor on each hand and each foot, assuming that the person holds this position.