A7.5 cm object is 14 cm from a concave lens, which has a focal length of -7cm. what is the distance of the image from the lens? round you answer to he nearest whole number. a. 5cm b. -5cm c. 14cm d. -14cm

Ared apple is illuminated by a blue light the apple will appear

You hang a book bag on a spring scale and place the bag on a platform scale so that the platform scale reads 23.7n and the spring scale reads 13.8n. what is the magnitude of the force that earth exerts on the bag?

The movement of electrons between atoms is called an