1. What are the key assumptions you need to make in conducting projectile motion problems?

NOTE: watch the bowling ball gun YouTube video first then answer it here is the link :

https://www.youtube.com/watch?v=CXdTKdEURCA

1. A bowling ball gunis fired horizontally at 248 m/s off a 192 m high cliff.
   1. Where does the bowling ball land?
   2. Where would a golf ball land? Why? Explain.
   3. What is the velocity at impact with the ground? Make sure to include the impact angle.