A light ray enters a glass prism as shown. Which is a possible path for the ray through the prism?

What challenges did you encounter during the circuit training program?

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?

The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is