5
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A man fell off the roof of a 148-meter tall building to his death.
How many seconds would this man travel in the air, assuming air
resistance can be ignored, before smashing his body on the
ground (g = 9.8 m/s2)?
around 5.5
close to 6
about 7.8
7.8
less than 5
exactly 5
Tir
Att
11