Asked by pamela
A ball is projected upwards from a platform 8m above the ground,with an initial velocity of 3m/s.How long does it take for the ball to reach the ground.
Answers
Answered by
Damon
h = Hi + Vi t - 4.9 t^2
0 = 8 + 3 t - 4.9 t^2
t = [ -3 +/- sqrt (9+157) ]/-6
t = [ - 3 + / - 12.9 ] / -6
= -.5 +/- 2.15
= 1.65 seconds
0 = 8 + 3 t - 4.9 t^2
t = [ -3 +/- sqrt (9+157) ]/-6
t = [ - 3 + / - 12.9 ] / -6
= -.5 +/- 2.15
= 1.65 seconds
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.