Asked by Diana
A cannon is fired horizontally from a top of a 15-m platform. What is the cannon balls horizontal speed when it hits the ground 250 m downrange?
Answers
Answered by
drwls
The time (t) that it takes to hit the ground is determined by the height above ground. For horizontal firing,
t = sqrt(2H/g) = 1.749 s
The horizontal speed must be (at all times)
250/1.749 = 143 m/s
t = sqrt(2H/g) = 1.749 s
The horizontal speed must be (at all times)
250/1.749 = 143 m/s
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.