one question multiple parts

Q5 Thread and Concurrency 10 Points Q5.1 Threads vs Processes 4 Points Threads and processes both support concurrent execution. Give a good reason when you would prefer creating threads to creating processes. Enter your answer here Q5.2 Amdahl's Law 6 Points Suppose a process runs on a single-core machine and does 50% of its task serially. You want to speed up the process many times by adding more cores to the machine. Show that no matter how many cores you add, you can never obtain speed up more than twice what you currently have on a single-core machine? Enter your answer here