Mathematical Homework Assignment for Lecture 07
For all your answers, please write down your calculations and explain your reasoning. Draw sketches whenever helpful, and please use your units correctly. If you are using any online resources (such as unit conversion tools) give their URL and webpage title in your answers.
[a] In the equation E = mc’ discovered by Albert Einstein in 1905, c is the speed of any particle of light traveling through vacuum. It is defined to be exactly 299,792,458 meters per second (m s’). What, then is c’ andwhat units should that quantity have? flow many digits are significant in that answer? Explain why.
[b] An object with a mass of Y kilograms would be equal in mass to about how many paper clips? As always, explain your reasoning and show all calculations that you use.
[c] If that object’s mass were converted into energy, how much energy would result? Make sure to give your answers in units of kilogram meters squared per second squared (kg m2 s’). Two digits of your answer are significant.
[d] Does that amount of energy seem like a lot or a little? Explain your answer, citing any sources you use.
PHY 114 Study Guide Assignment Sheet — Lecture 08 Name Last 4 digits of Student DO You should read through this study guide first before you start watching the lecture video. In the space below, handwrite the following statement and sign it: “On my honor, I attest that I will follow the letter and spirit of all of this assignment’s rules.”
