An erect imager, four times the size of the object is obtained with a concave mirror of radius of
curvatureure 48cm. What is the position of the object​

Identify the arrows that show the correct direction of heat transfer. 66°f 112°f 98°f

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?

Inside of a windmill or a dam is a that is used to transform one type of energy into electrical energy. a. motor b. generator c. transformer d. power pack