A stone through downward with velocity 10m/s from the roof of a building and is reaches the ground with speed 40m/s the height of the building would be
Ganny1:
75
then what it is
hmm ok
Answers
Answered by
3
u = 10 m/s v = 40 m/s a = g = 9.8 m/s^2 , S = ?
use formula v^2 - u^2 = 2aS put the values u get the answer
use formula v^2 - u^2 = 2aS put the values u get the answer
Answered by
2
v^2-u^2=2gh
40^2-10^2=2x10h
1600-100=20h
h=1500/20=75m
g can be 9.8 too.
1500=19.6h
h=15000/196=76.5m
40^2-10^2=2x10h
1600-100=20h
h=1500/20=75m
g can be 9.8 too.
1500=19.6h
h=15000/196=76.5m
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