Asked by Anonymous
A cannon fires ball horizontally off the top of cliff at 100m/s.Neglecting friction, how long will it take for the magnitude of the vertical component of its vertical component of its velocity to equal the horizontal component?
Answers
Answered by
oobleck
the vertical component is 9.8t
So, find t such that
9.8t = 100
So, find t such that
9.8t = 100