Recent content by jimmer

Homework Statement Light waves have very high frequencies compared to sound. The frequency for red light is about 4.6x10^14Hz and for blue 7.0x10^14Hz. What are the periods of these two waves? Homework Equations T=1/f The Attempt at a Solution I used the equation above which is...

Hi, A skydiver accelerates towards the ground at at 9.81ms ^-2. At the instant that je leaves the aeroplane. A) The skydiver opens his parachute. Explain why he reaches a terminal velocity shortly afterwards. If you could help with that question be very greatful Thanks in advance JImmer

Hi, I have a question which consist of a table of results which include. tension and extension. In my question it says ' Use table to draw up a table of stress and strain and plot a graph' My questions is how do i calculate the stress and strain from the extension and tension. I'll show couple...