Physics, asked by surbhijyoti1, 8 months ago

please answer this question

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Answered by rsagnik437

12

u=0

t=3s

g=9.8m/s²

We know that when u=0,then h=1/2gt²

By h=1/2gt²

h=1/2×9.8×(3)²

h=9.8×4.5

h=44.1m

Thus,height of the buliding is 44.1 metres

If g is taken as 10m/s²,the height will be 45 metres

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