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3. A stone is thrown vertically up from the ground with a velocity of 300fps. How...

3. A stone is thrown vertically up from the ground with a velocity of
300fps. How long must one wait before dropping a second stone
from the top of a 600-ft tower if the two stones are to pass each
other 200ft from the top of the tower?
4. A stone is dropped down a well and 5s later the sound of the splash is
heard. If the velocity of sound is 340mps, find the depth of the
well.
Engineering   Civil-Engineering   
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