Asked by mj
an object is falling freely from rest of height of 65m above the ground what is the height of the object from the ground in meter when it reaches velocity of 20m/s?
Answers
Answered by
Steve
v = 9.8t, so it takes 20/9.8 = 2.04 seconds to achieve that speed.
Since h = 65-4.9t^2,
plug in 2.04 to get h at that time.
Since h = 65-4.9t^2,
plug in 2.04 to get h at that time.
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.