Can you
a group of pupils have a ray box, a mirror, a glass box and a prism. for each block, describe what happens when the ray is directed at it. use as much scientific knowledge and understanding in your answers as you can. focus on the processes of reflection , if this happens at all and refraction and dispersion.

An experiment was performed on a 2-kg block. forces of 5, 10 and 15 newtons respectively were applied to the block for 5 seconds. describe the difference in acceleration between the three trials. a) the final accelerations will all be the same. b) the final acceleration will triple between the first and third trial. c) the final acceleration will be cut by 1/3 from the first to third trial. d) the final acceleration will increase nine time between the first and third trial.