Hello, I've been struggling to get some problems done. I found them online but only behind paywalls. I was hoping someone here could help me figure out how to do them or at least provide some answers? Much appreciated

https://www.chegg.com/homework-help/questions-and-answers/stuck-house-bored-find-frozen-mars-bars-freezer-decide-make-fried-mars-bar-treat-first-tha-q47333319

https://www.chegg.com/homework-help/questions-and-answers/planetary-system-far-away-asteroid-mass-m-strikes-glancing-blow-moon-system-collision-moon-q47333357

https://www.chegg.com/homework-help/questions-and-answers/consider-two-dimensional-rigid-body-free-rotate-single-axis-e-y-axis-shown-figure--rigid-b-q47333420