hey, just having a problem finding information for the following questions for homework....if any one can help with answers or suggest any websites would be greatly appreciated 
Q1) Analyse and interpret Einstein’s thought experiment with mirrors moving at the speed of light by summarizing his argument about what could happen if the speed of light is constant in terms of internal frames of reference
Q2) Discuss the principles of Einstein’s theory of relativity
Q3) Identify the significance of Einstein’s assumption of the constancy of the speed of light by stating what this means for space and time.
Q4) Account for the need to define events in our cosmos in four dimensions.
thankyou, any help at all is greatly appreciated!!!
Q1) Analyse and interpret Einstein’s thought experiment with mirrors moving at the speed of light by summarizing his argument about what could happen if the speed of light is constant in terms of internal frames of reference
Q2) Discuss the principles of Einstein’s theory of relativity
Q3) Identify the significance of Einstein’s assumption of the constancy of the speed of light by stating what this means for space and time.
Q4) Account for the need to define events in our cosmos in four dimensions.
thankyou, any help at all is greatly appreciated!!!