A box fan is initially at rest when it is switched on. After 3.25 minutes it is rotating at 1.30 rev/s. How many revolutions does the fan turn through, during the 3.25 minutes

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm

Juan created a chart to him study for a test. which headings best complete the chart? x: transparent objects y: opaque objects x: opaque objects y: transparent objects x: high frequency waves y: low frequency waves x: low frequency waves y: high frequency waves

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.