Question

appu threw a stone from the top of his apartment and found that it took 4s to reach the ground .calcutute the heigh of the apartment he lives in (a=9.8m/s2​

Answer 1

Answer:

S =ut +1/2at^2

u is not given therefore take u = 0

S = ½ 9.8× (4)^2

= 4.9×16

S= 78.4m

height of apartment = 78.4m

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