Asked by help
a stone is dropped from the peak of a hill . IT covers the distance of 30m in last second of its motion. Find the height of the peak?
Answers
Answered by
bobpursley
h-30=4.9(t-1)^2
h=4.9 t^2
set them equal, solve for t, time to fall
then solve for h
h=4.9 t^2
set them equal, solve for t, time to fall
then solve for h
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