Asked by anna
a child throws a tennis ball vertically upwards at 7.7 m/s from ground level. assuming that no resistance force act on the ball, so that it move only under the influence gravity (9.81 m/s-²), what is the maximum heightin the tennis ball reaches
Answers
Answered by
Steve
well,
h(t) = 7.7t - 4.9t^2
max height is reached at t = -b/2a = 7.7/9.8
so plug that in to find h there.
h(t) = 7.7t - 4.9t^2
max height is reached at t = -b/2a = 7.7/9.8
so plug that in to find h there.
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.