pls help me answer the following questions and show the solution

Explore Solve the following problems systematically. Use another sheet of paper for your solution. I. A rocket ship passes you at a speed of new. A girl measured its length to be 5D :11. How long would ta be when at rest? .2. An occupant on a high-speed spaceship traveling between Earth and Mars at a steady speed of 0.35:: reads a brochure which takes 15_[} min according to her wristwatch [a] How long does this take as measured by Earth-based clocks? [b] How much farther is the spaces hip from Earth at the end of reading the brochure than it was at the beginning? 3. lCompare the relativistic momentum of an electron to its classical momentum when it has a speed of [a] llllc in an accelerator used for treating cancer and [b]4_5f.} x I'D? m}: in the cathode rs",r tube of a TV set. 4. An accelerator at 3 Physics Laboratoryr can accelerate protons to a Kinetic energy of 1012 eV. The rest mass of a proton is I'm:2 2 9.33 x 103 El? .What is the speed of that proton? 12