Asked by alok
a ball is dropped from height h after one second another ball dropped freely from point 20 m below where first ball dropped both of them reach the grount at the same time calculate the value of h
Answers
Answered by
Scott
h = 1/2 g t^2
h-20=1/2 g (t - 1)^2 ... h = 1/2 g t^2 - g t + 1/2 g + 20
the h's equal zero when the ball reaches the ground
... set the equations equal and solve for t
... plug the value of t into the 1st equation to find h
h-20=1/2 g (t - 1)^2 ... h = 1/2 g t^2 - g t + 1/2 g + 20
the h's equal zero when the ball reaches the ground
... set the equations equal and solve for t
... plug the value of t into the 1st equation to find h
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.