A ball falling freely in the field of gravity passed the final section of its trajectory of length 90 m during time interval 1,5 sec. Find the height from which the ball fell if its initial velocity was zero. Give your answer in meters m. Assume the free fall 2 acceleration to be 10 m/s². The air resistance is negligible.
A ball falling freely in the field of gravity passed the final section of its trajectory of length 90 m during time interval 1,5 sec. Find the height from which the ball fell if its initial velocity was zero. Give your answer in meters m. Assume the free fall 2 acceleration to be 10 m/s². The air resistance is negligible.
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Transcribed Image Text:A ball falling freely in the field of gravity
passed the final section of its trajectory of
length 90 m during time interval 1,5 sec.
Find the height from which the ball fell if
its initial velocity was zero. Give your
answer in meters m. Assume the free fall
acceleration to be 10 m/s². The air
resistance is negligible.
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