Mathematics, 04.08.2020 14:01 rileyeddins1010
when a stone falls freely, the time taken to hit the ground varies as the square root of the distance fallen. If it takes four seconds th fall 78.4m, find how long would it takefor a stone to fall 500m
Answers: 1
- Time spent by the stone, measured in seconds.
- Height change experimented by the stone, measured in meters.
- Proportionality constant, measured in 
.
and 
, then:
. Finally, if 
, then the time is:
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