a stone is realeasd into river from bridge. it takes 4s for the stone to touch the river's water surface. compute the height of the bridge from water level?
Answers
Answered by
1
s = ut + 1/2 at^2.
s = 0 + 1/2 * 10 * 4* 4
s = 1/2 * 160
s = 80 m
s = 0 + 1/2 * 10 * 4* 4
s = 1/2 * 160
s = 80 m
abhi8455:
acc 9.8m/s^2 use kar skte hh
bikul
uske 8*9.8 m aayega
so which is perfect answer 78.4m or 80m
78.4m
jo value question me dia hai wahi use karna
Answered by
1
h=gt^2/2
h=80m height is 80 metre
h=80m height is 80 metre
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