A jeweller with a diameter of 3.0cm by placing it 8.0cm in front of a concave mirror of 12.0cm focal length. where will the image of the watch appear? what will be the diameter of the image?​

What equation is used to calculate the weight of an object on a plant ?

Aspacecraft that renters the earth’s atmosphere drastically slows down. the amount of kinetic energy the spacecraft has as it reenters the earths atmosphere

Which statement is true about an object that is moving in a circular motion due to centripetal force, f, when the radius of its circular motion is doubled? the new force then becomes equal to 2f the new force then becomes equal to f the new force then becomes equal to f/2 the new force then becomes equal to f2 the new force then becomes equal to 1/f