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# To find the height of an overhead power line, you throw a ball straight upward. The ball passes the line on the way up after 0.85 s, and passes it...

To find the height of an overhead power line, you throw a ball straight upward. The ball passes the line on the way up after 0.85 s, and passes it again on the way down 1.4 s after it was tossed.
(a) What is the height of the power line?
m
(b) What is the initial speed of the ball?
m/s

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To find the height of an overhead power line, you throw a ball straight upward. The ball passes
the line on the way up after 0.85 s, and passes it again on the way down 1.4 s after it was
tossed....

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