In a single-slit diffraction experiment, the width of the slit through which light passes is reduced. what happens to the width of the central bright fringe?

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

Ahorizontal force of 400.0 n is required to pull a 1760 n truck across the floor at a constant speed. find the coefficient of sliding friction.

If the area of a square has increased by a factor of 16, by how much has each side increased?