How to move an object with angle

Getting Started Newbie Questions
#1

How to make a moving object move with angle by dragging like " slither.io " ? 

#2

https://stackoverflow.com/questions/17723014/corona-sdk-how-to-get-a-moving-object-to-rotate-and-travel-to-a-tap-point

Can you try this out?

#3

https://stackoverflow.com/questions/17723014/corona-sdk-how-to-get-a-moving-object-to-rotate-and-travel-to-a-tap-point

Can you try this out?